Bump actions/upload-pages-artifact from 3 to 5

Bumps [actions/upload-pages-artifact](https://github.com/actions/upload-pages-artifact) from 3 to 5.
- [Release notes](https://github.com/actions/upload-pages-artifact/releases)
- [Commits](actions/upload-pages-artifact@v3...v5)

---
updated-dependencies:
- dependency-name: actions/upload-pages-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/pages.yml

@@ -56,7 +56,7 @@ jobs:
             echo "no CNAME -> skipping SEO assets"
           fi
       - uses: actions/configure-pages@v5
-      - uses: actions/upload-pages-artifact@v3
+      - uses: actions/upload-pages-artifact@v5
         with:
           path: site
       - id: deployment