update codeql java version

Author: hypfvieh

.github/workflows/codeql-analysis.yml

@@ -42,7 +42,7 @@ jobs:
     - uses: actions/setup-java@v5
       with:
        distribution: 'temurin'
-       java-version: '17'
+       java-version: '21'
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL