Bump peaceiris/actions-gh-pages from 3.9.0 to 3.9.3 (#78)

* Bump peaceiris/actions-gh-pages from 3.9.0 to 3.9.3

Bumps [peaceiris/actions-gh-pages](https://github.com/peaceiris/actions-gh-pages) from 3.9.0 to 3.9.3.
- [Release notes](https://github.com/peaceiris/actions-gh-pages/releases)
- [Changelog](https://github.com/peaceiris/actions-gh-pages/blob/main/CHANGELOG.md)
- [Commits](peaceiris/actions-gh-pages@de7ea6f...373f7f2)

---
updated-dependencies:
- dependency-name: peaceiris/actions-gh-pages
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

* Add version as comment that gets updated by Dependabot.

---------

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

Author: dependabot[bot]

.github/workflows/_shared-docs-build-publish-gh-pages.yml

@@ -91,9 +91,7 @@ jobs:
 
       - name: Publish
         # this action uses a token with contents:write, pinning to commit
-        # de7ea6f8efb354206b205ef54722213d99067935 == v3.9.0
-        # https://github.com/peaceiris/actions-gh-pages/releases/tag/v3.9.0
-        uses: peaceiris/actions-gh-pages@de7ea6f8efb354206b205ef54722213d99067935
+        uses: peaceiris/actions-gh-pages@373f7f263a76c20808c831209c920827a82a2847 # v3.9.3
         with:
           github_token: ${{ secrets.GH_TOKEN }}
           publish_dir: html