feat: 添加PyPI发布条件限制

- 只在原仓库master分支推送时执行PyPI发布
- 避免fork仓库因缺少认证而失败
- 保持工作流完整性和可测试性

Author: WhizZest

.github/workflows/wheels.yml

@@ -63,6 +63,7 @@ jobs:
           python -m build
 
       - name: Publish on pypi.org
+        if: github.ref == 'refs/heads/master' && github.repository == 'wenet-e2e/WeTextProcessing'
         env:
           TWINE_USERNAME: __token__
           TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}