chore(deps): bump devenv from `6319d63` to `fa2b4dd` (#22861)

Bumps [devenv](https://github.com/cachix/devenv) from `6319d63` to `fa2b4dd`.
- [Release notes](https://github.com/cachix/devenv/releases)
- [Commits](6319d63344...fa2b4ddf11)

---
updated-dependencies:
- dependency-name: devenv
  dependency-version: fa2b4ddf117bb32add8fb53ebed8d5df74f6afae
  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": 1785127153,
-        "narHash": "sha256-vX6OVIUWiEiD5v1InHQk1OTjJsK2WgEqWmMPeIS5l78=",
+        "lastModified": 1785216906,
+        "narHash": "sha256-0wbVad9KwbSaKlMAFbuI9g3dwOWWhBrLuwYE8y7Y2qc=",
         "owner": "cachix",
         "repo": "devenv",
-        "rev": "6319d63344675f65c2c213be95084544866d8951",
+        "rev": "fa2b4ddf117bb32add8fb53ebed8d5df74f6afae",
         "type": "github"
       },
       "original": {