Update release.yaml java version

Author: crow

.github/workflows/release.yaml

@@ -55,11 +55,11 @@ jobs:
       # - name: Set up Google Cloud SDK
       #   uses: google-github-actions/setup-gcloud@v1
 
-      - name: Set up JDK 11
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '11'
+          java-version: '21'
 
       - name: Set up .NET
         uses: actions/setup-dotnet@v4