Update pages action

Author: javh

.github/workflows/pages.yaml

@@ -35,7 +35,7 @@ jobs:
         run: |
           sphinx-build -b html docs _build
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
         with:
           path: ./_build
   # Deployment job
@@ -48,4 +48,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v2
+        uses: actions/deploy-pages@v4