Build(deps): Bump pypa/gh-action-pypi-publish from 1.12.3 to 1.12.4

Bumps [pypa/gh-action-pypi-publish](https://github.com/pypa/gh-action-pypi-publish) from 1.12.3 to 1.12.4.
- [Release notes](https://github.com/pypa/gh-action-pypi-publish/releases)
- [Commits](pypa/gh-action-pypi-publish@v1.12.3...v1.12.4)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/main.yml

@@ -151,7 +151,7 @@ jobs:
       run: |
         pandoc -s -o README.md README.rst
     - name: PyPI upload
-      uses: pypa/gh-action-pypi-publish@v1.12.3
+      uses: pypa/gh-action-pypi-publish@v1.12.4
       with:
         attestations: true
         packages-dir: dist