revert kernel display name to Python 3

Co-authored-by: Copilot <[email protected]>

Author: justin-cechmanek

python-recipes/vector-search/01_redisvl.ipynb

@@ -4481,7 +4481,7 @@
       "provenance": []
     },
     "kernelspec": {
-      "display_name": "redis-ai-res",
+      "display_name": "Python 3",
       "language": "python",
       "name": "python3"
     },