Fixed ios gservices file name

Author: Clon1998

.github/workflows/build-IOS.yml

@@ -6,7 +6,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: subosito/flutter-action@v2
-      - run: echo ${{ secrets.GOOGLE_SERVICE_INFO_PLIST }} | base64 -d > ./android/app/google-services.json
+      - run: echo ${{ secrets.GOOGLE_SERVICE_INFO_PLIST }} | base64 -d > ./ios/Runner/GoogleService-Info.plist
       - run: flutter pub get
       - run: flutter packages pub run build_runner build
       - uses: mxcl/[email protected]