Skip the step of publishing code coverage for the PR from forked repos

Author: khiav223577

.github/workflows/ruby.yml

@@ -39,7 +39,7 @@ jobs:
       - name: Run tests
         run: bundle exec rake
       - name: Publish code coverage
-        if: ${{ success() }}
+        if: ${{ success() && env.CC_TEST_REPORTER_ID }}
         uses: paambaati/[email protected]
         env:
           CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}