Bump actions/upload-pages-artifact in the gha-dependencies group (#62)

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -100,7 +100,7 @@ jobs:
       run: jupyter-book build docs/
     - name: Upload pages artifact
       if: ${{ github.ref == 'refs/heads/main' }}
-      uses: actions/upload-pages-artifact@v3
+      uses: actions/upload-pages-artifact@v4
       with:
         path: docs/_build/html/