chore(deps): bump devenv from 4b10b32 to 785cff5 (#23101)

Bumps [devenv](https://github.com/cachix/devenv) from `4b10b32` to `785cff5`.
- [Release notes](https://github.com/cachix/devenv/releases)
- [Commits](https://github.com/cachix/devenv/compare/4b10b32036245a13efdb0d77d69d6990d1c8a3f5...785cff58ffe9f57c13d3c073866e1a0556e64887)

---
updated-dependencies:
- dependency-name: devenv
  dependency-version: 785cff58ffe9f57c13d3c073866e1a0556e64887
  dependency-type: direct:production
...

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

flake.lock

@@ -64,11 +64,11 @@
         "rust-overlay": "rust-overlay"
       },
       "locked": {
-        "lastModified": 1787244866,
-        "narHash": "sha256-yRtH4Vs49zZE+u3CR1iBs6jTUp1o/4SdCyshZ5+ojbw=",
+        "lastModified": 1787540378,
+        "narHash": "sha256-OqCfKD0VGEoH98oEOlibYmUUr3hALG3NBTOrsjHPRYA=",
         "owner": "cachix",
         "repo": "devenv",
-        "rev": "4b10b32036245a13efdb0d77d69d6990d1c8a3f5",
+        "rev": "ffb790fa8de10911b88c3114f35917a26759874a",
         "type": "github"
       },
       "original": {