ci: bump actions/checkout from 4.2.1 to 4.2.2 (#121)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.2.1 to 4.2.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4.2.1...v4.2.2)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/update.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/[email protected].1
+        uses: actions/[email protected].2
       - name: Install nix
         uses: DeterminateSystems/nix-installer-action@v14
         with: