Bump actions/setup-java from 4.0.0 to 4.2.1

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 4.0.0 to 4.2.1.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](actions/setup-java@387ac29...99b8673)

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

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

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
         uses: gradle/wrapper-validation-action@460a3ca55fc5d559238a0efc7fa9f7465df8585d
 
       - name: Configure JDK ${{ matrix.java-version }}
-        uses: actions/setup-java@387ac29b308b003ca37ba93a6cab5eb57c8f5f93
+        uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9
         with:
           distribution: 'zulu'
           java-version: ${{ matrix.java-version }}
@@ -141,7 +141,7 @@ jobs:
         uses: gradle/wrapper-validation-action@460a3ca55fc5d559238a0efc7fa9f7465df8585d
 
       - name: Configure JDK ${{ matrix.java-version }}
-        uses: actions/setup-java@387ac29b308b003ca37ba93a6cab5eb57c8f5f93
+        uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9
         with:
           distribution: 'zulu'
           java-version: ${{ matrix.java-version }}