chore: bump github.com/anthropics/anthropic-sdk-go from 1.12.0 to 1.13.0 (#20109)

Bumps
[github.com/anthropics/anthropic-sdk-go](https://github.com/anthropics/anthropic-sdk-go)
from 1.12.0 to 1.13.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/anthropics/anthropic-sdk-go/releases">github.com/anthropics/anthropic-sdk-go's
releases</a>.</em></p>
<blockquote>
<h2>v1.13.0</h2>
<h2>1.13.0 (2025-09-29)</h2>
<p>Full Changelog: <a
href="https://github.com/anthropics/anthropic-sdk-go/compare/v1.12.0...v1.13.0">v1.12.0...v1.13.0</a></p>
<h3>Features</h3>
<ul>
<li><strong>api:</strong> adds support for Claude Sonnet 4.5 and context
management features (<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/3d5d51ad6ee64b34c7cc361a9dfd6f45966987dd">3d5d51a</a>)</li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li>bugfix for setting JSON keys with special characters (<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/c868b921190f8d371cc93d12e019daf5a7463306">c868b92</a>)</li>
<li><strong>internal:</strong> unmarshal correctly when there are
multiple discriminators (<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/ecc3ce31a9ed98b8f2b66b5e1489fce510528f77">ecc3ce3</a>)</li>
<li>use slices.Concat instead of sometimes modifying r.Options (<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/88e7186cad944290498a3381c829df36d26a1cce">88e7186</a>)</li>
</ul>
<h3>Chores</h3>
<ul>
<li>bump minimum go version to 1.22 (<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/87af8f397ae68ce72a76a07a735d21495aad8799">87af8f3</a>)</li>
<li>do not install brew dependencies in ./scripts/bootstrap by default
(<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/c689348cc4b5ec7ab3512261e4e3cc50d208a02c">c689348</a>)</li>
<li><strong>internal:</strong> fix tests (<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/bfc6eafeff58664f0d6f155f96286f3993e60f89">bfc6eaf</a>)</li>
<li>update more docs for 1.22 (<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/d67c50d49082b4b28bdabc44943853431cd5205c">d67c50d</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/anthropics/anthropic-sdk-go/blob/main/CHANGELOG.md">github.com/anthropics/anthropic-sdk-go's
changelog</a>.</em></p>
<blockquote>
<h2>1.13.0 (2025-09-29)</h2>
<p>Full Changelog: <a
href="https://github.com/anthropics/anthropic-sdk-go/compare/v1.12.0...v1.13.0">v1.12.0...v1.13.0</a></p>
<h3>Features</h3>
<ul>
<li><strong>api:</strong> adds support for Claude Sonnet 4.5 and context
management features (<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/3d5d51ad6ee64b34c7cc361a9dfd6f45966987dd">3d5d51a</a>)</li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li>bugfix for setting JSON keys with special characters (<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/c868b921190f8d371cc93d12e019daf5a7463306">c868b92</a>)</li>
<li><strong>internal:</strong> unmarshal correctly when there are
multiple discriminators (<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/ecc3ce31a9ed98b8f2b66b5e1489fce510528f77">ecc3ce3</a>)</li>
<li>use slices.Concat instead of sometimes modifying r.Options (<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/88e7186cad944290498a3381c829df36d26a1cce">88e7186</a>)</li>
</ul>
<h3>Chores</h3>
<ul>
<li>bump minimum go version to 1.22 (<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/87af8f397ae68ce72a76a07a735d21495aad8799">87af8f3</a>)</li>
<li>do not install brew dependencies in ./scripts/bootstrap by default
(<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/c689348cc4b5ec7ab3512261e4e3cc50d208a02c">c689348</a>)</li>
<li><strong>internal:</strong> fix tests (<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/bfc6eafeff58664f0d6f155f96286f3993e60f89">bfc6eaf</a>)</li>
<li>update more docs for 1.22 (<a
href="https://github.com/anthropics/anthropic-sdk-go/commit/d67c50d49082b4b28bdabc44943853431cd5205c">d67c50d</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/anthropics/anthropic-sdk-go/commit/e8befdc7fdceba33c9000b0b50061b8a42cb6c04"><code>e8befdc</code></a>
release: 1.13.0</li>
<li><a
href="https://github.com/anthropics/anthropic-sdk-go/commit/1de6d4717bf8d4e6ff30e64bbdb9974dc1f36dae"><code>1de6d47</code></a>
feat(api): adds support for Claude Sonnet 4.5 and context management
features</li>
<li><a
href="https://github.com/anthropics/anthropic-sdk-go/commit/a9aab31ae626c91a70c7893e0ff583d522930435"><code>a9aab31</code></a>
fix: bugfix for setting JSON keys with special characters</li>
<li><a
href="https://github.com/anthropics/anthropic-sdk-go/commit/41a745429cf31fa0ec05d9a3638e92fdb42e4f3b"><code>41a7454</code></a>
codegen metadata</li>
<li><a
href="https://github.com/anthropics/anthropic-sdk-go/commit/31633bdc1a055d8e85a09c76f1cfe40f5dbaab8a"><code>31633bd</code></a>
chore: do not install brew dependencies in ./scripts/bootstrap by
default</li>
<li><a
href="https://github.com/anthropics/anthropic-sdk-go/commit/2deaed6d70652c9b51966235a283ec02102e72b5"><code>2deaed6</code></a>
fix: use slices.Concat instead of sometimes modifying r.Options</li>
<li><a
href="https://github.com/anthropics/anthropic-sdk-go/commit/9f35b6866932b7a21547b73a41adb531f7f30fd7"><code>9f35b68</code></a>
chore: update more docs for 1.22</li>
<li><a
href="https://github.com/anthropics/anthropic-sdk-go/commit/287a399aa194714f394d1b65a726573eb34d769a"><code>287a399</code></a>
chore: bump minimum go version to 1.22</li>
<li><a
href="https://github.com/anthropics/anthropic-sdk-go/commit/aa4540a9c37d7a3584cc158e0a24fa5377979629"><code>aa4540a</code></a>
chore(internal): fix tests</li>
<li><a
href="https://github.com/anthropics/anthropic-sdk-go/commit/73e5532c81d4cdfa082e0b7b4ae3244d54ef2469"><code>73e5532</code></a>
codegen metadata</li>
<li>Additional commits viewable in <a
href="https://github.com/anthropics/anthropic-sdk-go/compare/v1.12.0...v1.13.0">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=github.com/anthropics/anthropic-sdk-go&package-manager=go_modules&previous-version=1.12.0&new-version=1.13.0)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
`@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits
that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after
your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge
and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating
it. You can achieve the same result by closing it manually
- `@dependabot show <dependency name> ignore conditions` will show all
of the ignore conditions of the specified dependency
- `@dependabot ignore this major version` will close this PR and stop
Dependabot creating any more for this major version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop
Dependabot creating any more for this minor version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop
Dependabot creating any more for this dependency (unless you reopen the
PR or upgrade to it yourself)


</details>

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -475,7 +475,7 @@ require (
 )
 
 require (
-	github.com/anthropics/anthropic-sdk-go v1.12.0
+	github.com/anthropics/anthropic-sdk-go v1.13.0
 	github.com/brianvoe/gofakeit/v7 v7.7.1
 	github.com/coder/agentapi-sdk-go v0.0.0-20250505131810-560d1d88d225
 	github.com/coder/aibridge v0.1.3

go.sum

@@ -722,8 +722,8 @@ github.com/andybalholm/brotli v1.2.0 h1:ukwgCxwYrmACq68yiUqwIWnGY0cTPox/M94sVwTo
 github.com/andybalholm/brotli v1.2.0/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
 github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be h1:9AeTilPcZAjCFIImctFaOjnTIavg87rW78vTPkQqLI8=
 github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be/go.mod h1:ySMOLuWl6zY27l47sB3qLNK6tF2fkHG55UZxx8oIVo4=
-github.com/anthropics/anthropic-sdk-go v1.12.0 h1:xPqlGnq7rWrTiHazIvCiumA0u7mGQnwDQtvA1M82h9U=
-github.com/anthropics/anthropic-sdk-go v1.12.0/go.mod h1:WTz31rIUHUHqai2UslPpw5CwXrQP3geYBioRV4WOLvE=
+github.com/anthropics/anthropic-sdk-go v1.13.0 h1:Bhbe8sRoDPtipttg8bQYrMCKe2b79+q6rFW1vOKEUKI=
+github.com/anthropics/anthropic-sdk-go v1.13.0/go.mod h1:WTz31rIUHUHqai2UslPpw5CwXrQP3geYBioRV4WOLvE=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/apache/arrow/go/v10 v10.0.1/go.mod h1:YvhnlEePVnBS4+0z3fhPfUy7W1Ikj0Ih0vcRo/gZ1M0=
 github.com/apache/arrow/go/v11 v11.0.0/go.mod h1:Eg5OsL5H+e299f7u5ssuXsuHQVEGC4xei5aX110hRiI=