chore(deps): update actions/upload-pages-artifact action to v4 (#64)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/publish_gh_pages.yml

@@ -39,7 +39,7 @@ jobs:
       - name: Create site folders
         run: mkdir -p docs/build/site
       - name: Upload Artifacts
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: docs/build/site
       - name: Deploy to GitHub Pages