Upgrade the JVM version in the static analysis workflow (#598)

Author: yutaro-sakamoto

.github/workflows/static-analysis.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '11'
+          java-version: '21'
 
       - name: Install static analysis tools
         run: |