chore(deps): bump actions/upload-pages-artifact from 3 to 4 (#2517)

Author: dependabot[bot]

.github/workflows/pages.yaml

@@ -42,7 +42,7 @@ jobs:
       - name: Build documentation
         run: python -m sphinx docs dist/html
       - name: Upload documentation archive
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: 'dist/html'
       - name: Deploy to GitHub Pages