Only run codecov check on pull requests

This prevents a red x on the main branch / repository homepage

Author: marlo-longley

.github/workflows/node.js.yml

@@ -25,6 +25,7 @@ jobs:
     - run: npm install
     - run: npm test -- --coverage
     - name: Upload coverage to Codecov
+      if: ${{ github.event_name == 'pull_request' }}
       uses: codecov/codecov-action@v5
       env:
         CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}