feat: regenerate index files

Author: yoshi-automation

discovery/chat-v1.json

@@ -1526,7 +1526,7 @@
       }
     }
   },
-  "revision": "20250427",
+  "revision": "20250501",
   "rootUrl": "https://chat.googleapis.com/",
   "schemas": {
     "AccessSettings": {
@@ -2263,7 +2263,7 @@
             "Default value. Unspecified.",
             "A user opens a dialog.",
             "A user clicks an interactive element of a dialog. For example, a user fills out information in a dialog and clicks a button to submit the information.",
-            "A user closes a dialog without submitting information. The Chat app only receives this interaction event when users click the close icon in the top right corner of the dialog. When the user closes the dialog by other means (such as refreshing the browser, clicking outside the dialog box, or pressing the escape key), no event is sent. ."
+            ""
           ],
           "type": "string"
         },