Build(deps): Bump pypa/gh-action-pypi-publish from 1.8.7 to 1.8.8 (#578)

Bumps [pypa/gh-action-pypi-publish](https://github.com/pypa/gh-action-pypi-publish) from 1.8.7 to 1.8.8.
- [Release notes](https://github.com/pypa/gh-action-pypi-publish/releases)
- [Commits](pypa/gh-action-pypi-publish@v1.8.7...v1.8.8)

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

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

Author: dependabot[bot]

.github/workflows/main.yml

@@ -145,7 +145,7 @@ jobs:
       run: |
         pandoc -s -o README.md README.rst
     - name: PyPI upload
-      uses: pypa/[email protected].7
+      uses: pypa/[email protected].8
       with:
         packages_dir: dist
         password: ${{ secrets.PYPI_API_TOKEN }}