build(ci): add codecov token (#156)

Author: peakji

.github/workflows/codecov.yml

@@ -34,4 +34,6 @@ jobs:
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v4
         with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: true
           working-directory: main