chore: Update Java version in build configuration to 21

Author: Paulanerus

.github/workflows/build-and-publish.yml

@@ -108,7 +108,7 @@ jobs:
       - name: Set up Java (${{ matrix.distribution }})
         uses: actions/setup-java@v5.0.0
         with:
-          java-version: '21.0.8'
+          java-version: '21'
           check-latest: true
           distribution: ${{ matrix.distribution }}
           cache: 'gradle'