Update github action environment

.github/workflows/android.yml

@@ -12,15 +12,15 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-    - name: set up JDK 17
-      uses: actions/setup-java@v3
+    - uses: actions/checkout@v4
+    - name: set up JDK 21
+      uses: actions/setup-java@v4
       with:
-        java-version: '17'
+        java-version: '21'
         distribution: 'temurin'
-        cache: gradle
+        cache: 'gradle'
 
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
     - name: Build with Gradle
-      run: ./gradlew build
+      run: ./gradlew build