Enabling diff check for index.js output

.github/workflows/main.yml

@@ -25,7 +25,7 @@ jobs:
       - run: yarn test --coverage
       - run: bash <(curl -s https://codecov.io/bash)
       - run: yarn build || { echo "build command should always succeed" ; exit 61; }
-      # - run: yarn build --quiet && git diff --quiet action || { echo "action should be auto generated" ; git diff action ; exit 62; }
+      - run: yarn build --quiet && git diff --quiet action || { echo "action should be auto generated" ; git diff action ; exit 62; }
   buildForAllPlatforms:
     name: Build for ${{ matrix.targetPlatform }} on version ${{ matrix.unityVersion }}
     runs-on: ubuntu-latest