build: add variants

.github/workflows/android.yml

@@ -23,11 +23,12 @@ jobs:
 
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
+    - name: Clean Gradle Cache
+      run: ./gradlew clean
     - name: Build with Gradle
-      run: ./gradlew build
-      
-    - name: Upload debug artifact
+      run: ./gradlew assembleRelease -PtargetApkUrl=${{ secrets.TARGET_APK_URL }}
+    - name: Upload debug artifacts
       uses: actions/upload-artifact@v3.1.2
       with:
         name: app-debug
-        path: app/build/outputs/apk/debug/app-debug.apk
+        path: app/build/outputs/apk/**/release/*.apk