updated dependencies for workflow

.github/workflows/flutter_build_apk.yml

@@ -10,19 +10,23 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-java@v1
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
         with:
           java-version: "12.x"
-      - uses: subosito/flutter-action@v1
+      - uses: subosito/flutter-action@v2
         with:
           channel: "beta"
-      - working-directory: ./frontend
-      - run: flutter pub get
-      - run: flutter format --set-exit-if-changed .
-      - run: flutter analyze .
-      - run: flutter build apk
-      - uses: actions/upload-artifact@v1
+      - name: Get dependencies
+        run: flutter pub get
+      - name: Format code
+        run: flutter format --set-exit-if-changed .
+      - name: Analyze code
+        run: flutter analyze .
+      - name: Build APK
+        run: flutter build apk
+      - name: Upload APK artifact
+        uses: actions/upload-artifact@v2
         with:
           name: release-apk
           path: build/app/outputs/apk/release/app-release.apk