[CI] Bump actions/configure-pages from 4 to 5 (#1233)

Bumps [actions/configure-pages](https://github.com/actions/configure-pages) from 4 to 5.
- [Release notes](https://github.com/actions/configure-pages/releases)
- [Commits](actions/configure-pages@v4...v5)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/docs.yml

@@ -73,7 +73,7 @@ jobs:
 
       - name: Configure GitHub pages
         id: pages
-        uses: actions/configure-pages@v4
+        uses: actions/configure-pages@v5
 
       - name: Cargo doc
         # We pass --document-private-items and --document-hidden items to ensure