Update gradle.yml

Author: alazeprt

.github/workflows/gradle.yml

@@ -22,7 +22,7 @@ jobs:
         uses: actions/setup-java@v3
         with:
           distribution: 'temurin'
-          java-version: '8'
+          java-version: '21'
       - name: make gradle wrapper executable
         run: chmod +x ./gradlew
       - name: Build