Build with Java 21

.github/workflows/maven.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java-version: [ 8, 11, 17 ]
+        java-version: [ 8, 11, 17, 21 ]
     steps:
       - name: Checkout
         uses: actions/checkout@v3

.github/workflows/release.yml

@@ -13,10 +13,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v3
       with:
-        java-version: 17
+        java-version: 21
         distribution: temurin
         server-id: github
         settings-path: ${{ github.workspace }} # location for the settings.xml file

.github/workflows/sonarcloud.yml

@@ -14,10 +14,10 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v3
         with:
-          java-version: 17
+          java-version: 21
           distribution: temurin
       - name: Cache SonarCloud packages
         uses: actions/cache@v3