Bump actions/checkout from 3.5.2 to 3.5.3 (#3)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.5.2 to 3.5.3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3.5.2...v3.5.3)

---
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>

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
         sdk:
           - stable
     steps:
-      - uses: actions/checkout@v3.5.2
+      - uses: actions/checkout@v3.5.3
       - uses: dart-lang/setup-dart@v1.4
         with:
           sdk: "${{ matrix.sdk }}"