Bump peaceiris/actions-hugo from 2 to 3

Bumps [peaceiris/actions-hugo](https://github.com/peaceiris/actions-hugo) from 2 to 3.
- [Release notes](https://github.com/peaceiris/actions-hugo/releases)
- [Changelog](https://github.com/peaceiris/actions-hugo/blob/main/CHANGELOG.md)
- [Commits](peaceiris/actions-hugo@v2...v3)

---
updated-dependencies:
- dependency-name: peaceiris/actions-hugo
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/publish.site.yml

@@ -29,7 +29,7 @@ jobs:
         uses: actions/configure-pages@v4
       - name: Setup Hugo
         id:   hugo
-        uses: peaceiris/actions-hugo@v2
+        uses: peaceiris/actions-hugo@v3
         with:
           hugo-version: latest
           extended:     true