Bump the action-deps group with 2 updates

Bumps the action-deps group with 2 updates: [actions/configure-pages](https://github.com/actions/configure-pages) and [actions/deploy-pages](https://github.com/actions/deploy-pages).


Updates `actions/configure-pages` from 5 to 6
- [Release notes](https://github.com/actions/configure-pages/releases)
- [Commits](actions/configure-pages@v5...v6)

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

---
updated-dependencies:
- dependency-name: actions/configure-pages
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: action-deps
- dependency-name: actions/deploy-pages
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: action-deps
...

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

Author: dependabot[bot]

.github/workflows/github-pages.yml

@@ -43,7 +43,7 @@ jobs:
           sudo apt-get install doxygen graphviz
       - name: Setup Pages
         id: pages
-        uses: actions/configure-pages@v5
+        uses: actions/configure-pages@v6
       - name: Template source files
         run: bundle exec rake templates
       - name: Build with RDoc
@@ -71,4 +71,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v5