Actions: Bump actions/upload-pages-artifact from 4 to 5 (#706)

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

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

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

.github/workflows/deploy.yml

@@ -31,7 +31,7 @@ jobs:
           - run: zensical build --clean
           - run: bash -c "echo 'wiki.t2linux.org' > build/CNAME"
           - run: bash -c "cp -r redirs/* build/guides"
-          - uses: actions/upload-pages-artifact@v4
+          - uses: actions/upload-pages-artifact@v5
             with:
               path: build
           - uses: actions/deploy-pages@v5