Upload pypi only on v tag

Author: auxten

.github/workflows/build_wheels.yml

@@ -117,6 +117,7 @@ jobs:
         with:
           path: ./dist/*.whl
       - name: Upload pypi
+        if: startsWith(github.ref, 'refs/tags/v')
         run: |
           python3 -m pip install twine
           python3 -m twine upload dist/*.whl
@@ -234,6 +235,7 @@ jobs:
         with:
           path: ./dist/*.whl
       - name: Upload pypi
+        if: startsWith(github.ref, 'refs/tags/v')
         run: |
           python3 -m pip install twine
           python3 -m twine upload dist/*.whl
@@ -359,6 +361,7 @@ jobs:
         with:
           path: ./wheelhouse/*.whl
       - name: Upload pypi
+        if: startsWith(github.ref, 'refs/tags/v')
         run: |
           python3 -m pip install twine
           python3 -m twine upload wheelhouse/*.whl