Bump actions/checkout from 3.0.1 to 3.0.2

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.0.1 to 3.0.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](dcd71f6466...2541b1294d)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build.yml

@@ -18,7 +18,7 @@ jobs:
             java: [ '11', '11.0.3', '15', '15.0.5']
     name: Test Java ${{ matrix.Java }}, ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@dcd71f646680f2efd8db4afa5ad64fdcba30e748
+    - uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b
       with:
         fetch-depth: 0
         ref: ${{ github.event.pull_request.head.sha }}