Bump actions/setup-java from 4.1.0 to 4.2.1

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 4.1.0 to 4.2.1.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](actions/setup-java@v4.1.0...v4.2.1)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/java.yml

@@ -21,7 +21,7 @@ jobs:
       with:
         submodules: recursive
     - name: Set up JDK 1.8
-      uses: actions/setup-java@v4.1.0
+      uses: actions/setup-java@v4.2.1
       with:
         java-version: 8
         distribution: 'zulu'