Update pypa/gh-action-pypi-publish requirement to master (#30)

Updates the requirements on [pypa/gh-action-pypi-publish](https://github.com/pypa/gh-action-pypi-publish) to permit the latest version.
- [Release notes](https://github.com/pypa/gh-action-pypi-publish/releases)
- [Commits](https://github.com/pypa/gh-action-pypi-publish/commits/9b8e7336db3f96a2939a3e9fa827c62f466ca60d)

---
updated-dependencies:
- dependency-name: pypa/gh-action-pypi-publish
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/python.yml

@@ -110,6 +110,6 @@ jobs:
 
       - name: Publish 📦 to PyPI
         if: ${{ startsWith(github.ref, 'refs/tags/') }}
-        uses: pypa/gh-action-pypi-publish@release/v1
+        uses: pypa/gh-action-pypi-publish@master
         with:
           password: ${{ secrets.pypi_password }}