Only fail codecov if push or pull request

Author: jayqi

.github/workflows/tests.yml

@@ -120,7 +120,7 @@ jobs:
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           file: ./coverage.xml
-          fail_ci_if_error: true
+          fail_ci_if_error: ${{ (github.event_name == 'push' && true) || (github.event_name == 'pull_request' && true) || false }}
 
   extras-test:
     name: Test independent installs of clients