One more ref in Auth for AI Agents

Author: avanscoy

auth4genai/integrations/google.mdx

@@ -21,8 +21,8 @@ To set up a Google social connection, you must:
 
 ## Prerequisites
 
-1. [Sign up for a Google Developer account](https://console.developers.google.com/).
-2. [Create a Google project](https://support.google.com/googleapi/answer/6251787?ref_topic=7014522).
+1. [Sign up for a Google Cloud account](https://console.cloud.google.com/).
+2. [Create a Google project](https://docs.cloud.google.com/resource-manager/docs/creating-managing-projects).
 
 ## Google Auth Platform