feat(all): auto-regenerate discovery clients (#3296)

Author: yoshi-automation

apihub/v1/apihub-api.json

@@ -172,7 +172,7 @@
               ],
               "parameters": {
                 "extraLocationTypes": {
-                  "description": "Optional. A list of extra location types that should be used as conditions for controlling the visibility of the locations.",
+                  "description": "Optional. Do not use this field. It is unsupported and is ignored unless explicitly documented otherwise. This is primarily for internal usage.",
                   "location": "query",
                   "repeated": true,
                   "type": "string"
@@ -2946,7 +2946,7 @@
       }
     }
   },
-  "revision": "20250731",
+  "revision": "20250829",
   "rootUrl": "https://apihub.googleapis.com/",
   "schemas": {
     "Empty": {