Bump actions/configure-pages from 2 to 4

Bumps [actions/configure-pages](https://github.com/actions/configure-pages) from 2 to 4.
- [Release notes](https://github.com/actions/configure-pages/releases)
- [Commits](actions/configure-pages@v2...v4)

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

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

.github/workflows/mkdocs.yml

@@ -38,7 +38,7 @@ jobs:
         uses: actions/checkout@v3
       - name: Setup Pages
         id: pages
-        uses: actions/configure-pages@v2
+        uses: actions/configure-pages@v4
       - run: mkdocs build -c -d public
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v1