[BP] Bump actions/setup-java from 4.1.0 to 4.2.1 (geonetwork#8205)

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
...

Backport of geonetwork#7870.

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/linux.yml

@@ -22,7 +22,7 @@ jobs:
         submodules: 'recursive'
         show-progress: 'false'
     - name: Set up JDK
-      uses: actions/setup-java@v4.1.0
+      uses: actions/setup-java@v4.2.1
       with:
         distribution: 'temurin'
         java-version: ${{ matrix.jdk }}
@@ -55,7 +55,7 @@ jobs:
         submodules: 'recursive'
         show-progress: 'false'
     - name: Set up JDK
-      uses: actions/setup-java@v4.1.0
+      uses: actions/setup-java@v4.2.1
       with:
         distribution: 'temurin'
         java-version: 8