chore: bump golang.org/x/tools from 0.20.0 to 0.21.0 (#13237)

Bumps [golang.org/x/tools](https://github.com/golang/tools) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/golang/tools/releases)
- [Commits](https://github.com/golang/tools/compare/v0.20.0...v0.21.0)

---
updated-dependencies:
- dependency-name: golang.org/x/tools
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -188,16 +188,16 @@ require (
 	go.uber.org/atomic v1.11.0
 	go.uber.org/goleak v1.2.1
 	go4.org/netipx v0.0.0-20230728180743-ad4cb58a6516
-	golang.org/x/crypto v0.22.0
+	golang.org/x/crypto v0.23.0
 	golang.org/x/exp v0.0.0-20240222234643-814bf88cf225
 	golang.org/x/mod v0.17.0
-	golang.org/x/net v0.24.0
+	golang.org/x/net v0.25.0
 	golang.org/x/oauth2 v0.19.0
 	golang.org/x/sync v0.7.0
-	golang.org/x/sys v0.19.0
-	golang.org/x/term v0.19.0
-	golang.org/x/text v0.14.0
-	golang.org/x/tools v0.20.0
+	golang.org/x/sys v0.20.0
+	golang.org/x/term v0.20.0
+	golang.org/x/text v0.15.0
+	golang.org/x/tools v0.21.0
 	golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028
 	golang.zx2c4.com/wireguard v0.0.0-20230704135630-469159ecf7d1
 	google.golang.org/api v0.176.1
@@ -394,7 +394,7 @@ require (
 	github.com/tailscale/certstore v0.1.1-0.20220316223106-78d6e1c49d8d // indirect
 	github.com/tailscale/golang-x-crypto v0.0.0-20230713185742-f0b76a10a08e // indirect
 	github.com/tailscale/goupnp v1.0.1-0.20210804011211-c64d0f06ea05 // indirect
-	github.com/tailscale/netlink v1.1.1-0.20211101221916-cabfb018fe85 // indirect
+	github.com/tailscale/netlink v1.1.1-0.20211101221916-cabfb018fe85
 	github.com/tailscale/wireguard-go v0.0.0-20230710185534-bb2c8f22eccf // indirect
 	github.com/tchap/go-patricia/v2 v2.3.1 // indirect
 	github.com/tcnksm/go-httpstat v0.2.0 // indirect