Fix github-actions build

Author: didalgolab

.github/workflows/github-actions-build.yaml

@@ -8,7 +8,7 @@ jobs:
       - name: Set up Java
         uses: actions/setup-java@v3
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'adopt'
       - name: Build with Maven
         run: mvn -B install