upload versino for artifact

Author: bruAristimunha

.github/workflows/docs.yml

@@ -76,7 +76,7 @@ jobs:
           cd docs && poetry run make html
 
       # Create an artifact of the html output.
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           name: DocumentationHTML
           path: docs/build/html/