Update pypa/gh-action-pypi-publish to v1.12.4

This is the first tag with support for metadata format 2.4.

Author: mitya57

.github/workflows/deploy.yml

@@ -23,7 +23,7 @@ jobs:
           python -m build
       - name: Publish to PyPI
         if: success()
-        uses: pypa/gh-action-pypi-publish@v1.1.0
+        uses: pypa/gh-action-pypi-publish@v1.12.4
         with:
           user: __token__
           password: ${{ secrets.PYPI_PASSWORD }}