chore(deps): update actions/upload-pages-artifact action to v3

Author: renovate[bot]

.github/workflows/docs.yml

@@ -34,7 +34,7 @@ jobs:
           hatch run mkdocs build
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@a753861a5debcf57bf8b404356158c8e1e33150c # v2
+        uses: actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa # v3
         with:
           path: site