feat: jdk 21 for CodeQL

Author: RedVortexDev

.github/workflows/codeql-analysis.yml

@@ -57,10 +57,10 @@ jobs:
     #    uses a compiled language
 
     - run: |
-    - name: Set up JDK 16
+    - name: Set up JDK 21
       uses: actions/setup-java@v1
       with:
-        java-version: 16
+        java-version: 21
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
     - name: Build with Gradle