fixing maven-build workflow

Author: victorhsr

.github/workflows/maven-build.yml

@@ -13,11 +13,11 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
 
-      - name: Set up JDK
-        uses: actions/setup-java@v2
+      - name: Set up JDK 16
+        uses: actions/setup-java@v3
         with:
-          distribution: 'adopt'
-          java-version: '11'
+          java-version: '16'
+          distribution: 'temurin'
 
       - name: Generate coverage report
         run: mvn test jacoco:report