ci(deps): Bump actions/configure-pages from 4 to 6

Bumps [actions/configure-pages](https://github.com/actions/configure-pages) from 4 to 6.
- [Release notes](https://github.com/actions/configure-pages/releases)
- [Commits](actions/configure-pages@v4...v6)

---
updated-dependencies:
- dependency-name: actions/configure-pages
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/documentation.yml

@@ -41,7 +41,7 @@ jobs:
         run: mkdocs build
 
       - name: Setup Pages
-        uses: actions/configure-pages@v4
+        uses: actions/configure-pages@v6
 
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3