Disable wheels for non-tagged commits

Author: skirpichev

.github/workflows/publish.yml

@@ -19,6 +19,7 @@ jobs:
         path: dist/
   wheels:
     uses: ./.github/workflows/wheels.yml
+    if: startsWith(github.ref, 'refs/tags/')
   publish-to-pypi:
     name: Publish distribution to PyPI
     if: startsWith(github.ref, 'refs/tags/')