Bump once_cell from 1.21.3 to 1.21.4 (#52)

Bumps [once_cell](https://github.com/matklad/once_cell) from 1.21.3 to 1.21.4.
- [Changelog](https://github.com/matklad/once_cell/blob/master/CHANGELOG.md)
- [Commits](matklad/once_cell@v1.21.3...v1.21.4)

---
updated-dependencies:
- dependency-name: once_cell
  dependency-version: 1.21.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Cargo.lock

@@ -19,7 +19,7 @@ git-url-parse = "0.4.5"
 
 [dev-dependencies]
 axum-test = "18.3.0"
-once_cell = "1.21.3"
+once_cell = "1.21.4"
 rstest = "0.26.1"
 tempfile = "3.27.0"
 uuid = { version = "1.23.0", features = ["v4"] }