Bump actions/checkout from 4.1.2 to 4.1.4 (#89)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.2 to 4.1.4.
- [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/9bb56186c3b09b4f86b1c65136769dd318469633...0ad4b8fadaa221de15dcec353f45205ec38ea70b)

---
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/test-package.yml b/.github/workflows/test-package.yml
index 0786c58..25eb99f 100644
--- a/.github/workflows/test-package.yml
+++ b/.github/workflows/test-package.yml
@@ -21,7 +21,7 @@
       matrix:
         sdk: [2.19.0, dev]
     steps:
-      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
+      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b
       - uses: dart-lang/setup-dart@f0ead981b4d9a35b37f30d36160575d60931ec30
         with:
           sdk: ${{ matrix.sdk }}