Bump pypa/gh-action-pypi-publish from 1.6.1 to 1.6.4 (#273)

Bumps [pypa/gh-action-pypi-publish](https://github.com/pypa/gh-action-pypi-publish) from 1.6.1 to 1.6.4.
- [Release notes](https://github.com/pypa/gh-action-pypi-publish/releases)
- [Commits](pypa/gh-action-pypi-publish@v1.6.1...v1.6.4)

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

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

.github/workflows/check.yml

@@ -139,7 +139,7 @@ jobs:
       - name: Build sdist and wheel
         run: python -m build -s -w . -o dist
       - name: Publish to PyPi
-        uses: pypa/gh-action-pypi-publish@v1.6.1
+        uses: pypa/gh-action-pypi-publish@v1.6.4
         with:
           skip_existing: true
           user: __token__