publish-to-pypi: Upgrade pypa/gh-action-pypi-publish to see if it fixes package upload issue.

PiperOrigin-RevId: 740009978

Author: Nate Schmitz

.github/workflows/publish-to-pypi.yml

@@ -78,7 +78,7 @@ jobs:
           name: releases
           path: dist
       - name: Publish package to PyPI
-        uses: pypa/gh-action-pypi-publish@v1.8.13
+        uses: pypa/gh-action-pypi-publish@v1.12.4
         with:
           user: __token__
           password: ${{ secrets.PYPI_API_TOKEN }}