Bump pypa/gh-action-pypi-publish from 1.6.4 to 1.8.1

Bumps [pypa/gh-action-pypi-publish](https://github.com/pypa/gh-action-pypi-publish) from 1.6.4 to 1.8.1.
- [Release notes](https://github.com/pypa/gh-action-pypi-publish/releases)
- [Commits](pypa/gh-action-pypi-publish@v1.6.4...v1.8.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/publish.yml

@@ -43,7 +43,7 @@ jobs:
           ls -l dist
 
       - name: publish to pypi
-        uses: pypa/gh-action-pypi-publish@v1.6.4
+        uses: pypa/gh-action-pypi-publish@v1.8.1
         if: startsWith(github.ref, 'refs/tags/')
         with:
           user: __token__