ci: skip codacy-coverage-reporter step for forks

Author: JounQin

.github/workflows/ci.yml

@@ -74,7 +74,7 @@ jobs:
 
       - name: Run codacy-coverage-reporter
         # bad Windows -- https://github.com/codacy/codacy-coverage-reporter-action/issues/91
-        if: ${{ matrix.os != 'windows-latest' }}
+        if: ${{ !github.event.pull_request.head.repo.fork && matrix.os != 'windows-latest' }}
         uses: codacy/codacy-coverage-reporter-action@89d6c85cfafaec52c72b6c5e8b2878d33104c699 # v1.3.0
         with:
           api-token: ${{ secrets.CODACY_API_TOKEN }}