Update start doc to specify recommended python version (#6370)

* Update start doc to specify recommended python version

Using python version's less than 3.11 result in error

* nit

delete comma

* nit

* mv to auth section

docs/tutorials/google/start.ipynb

@@ -491,7 +491,9 @@
         "`gcloud auth application-default login`\n",
         "\n",
         "This will open up a browser window or give you a link to a webpage you can navigate to in order to go through an authentication flow.  Complete this using your Google account.  After this command is run, credentials will be stored on your local machine.  If at any point you want to revoke these credentials you can run `gcloud auth application-default revoke`. These credendtials typically\n",
-        "need to be renewed once each day."
+        "need to be renewed once each day.\n",
+        "\n",
+        "It is recommended that your colab runs using Python 3.11 or greater."
       ]
     },
     {