Revert to checkout@v1 per https://community.codecov.io/t/codecov-status-stuck-at-waiting-for-status-to-be-reported-on-github/341/40

.github/workflows/build.yml

@@ -30,7 +30,7 @@ jobs:
     steps:
       # https://github.com/actions/checkout
       - name: Checkout codebase
-        uses: actions/checkout@v2
+        uses: actions/checkout@v1
       # https://github.com/actions/setup-node
       - name: Install Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v1
@@ -74,6 +74,7 @@ jobs:
         run: docker-compose -f ./docker/docker-compose-ci.yml down
       # NOTE: Angular CLI only supports code coverage for specs. See https://github.com/angular/angular-cli/issues/6286
       # Upload coverage reports to Codecov (for Node v12 only)
+      # https://github.com/codecov/codecov-action
       - name: Upload coverage to Codecov.io
-        run: bash <(curl -s https://codecov.io/bash)
+        uses: codecov/codecov-action@v1
         if: matrix.node-version == '12.x'