Bump actions/checkout from 4.1.4 to 4.1.6 (#240)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.4 to 4.1.6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/0ad4b8fadaa221de15dcec353f45205ec38ea70b...a5ac7e51b41094c92402da3b24376905380afc29)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
diff --git a/.github/workflows/file.yml b/.github/workflows/file.yml
index a5a86cb..35b61f0 100644
--- a/.github/workflows/file.yml
+++ b/.github/workflows/file.yml
@@ -19,7 +19,7 @@
         package: [file, file_testing]
 
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
       - uses: dart-lang/setup-dart@f0ead981b4d9a35b37f30d36160575d60931ec30
         with:
           sdk: dev
@@ -45,7 +45,7 @@
         sdk: [stable, dev]
 
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
       - uses: dart-lang/setup-dart@f0ead981b4d9a35b37f30d36160575d60931ec30
         with:
           sdk: ${{ matrix.sdk }}