feat(all): auto-regenerate discovery clients (#2176)

chat/v1/chat-api.json

@@ -955,7 +955,7 @@
       }
     }
   },
-  "revision": "20230905",
+  "revision": "20230914",
   "rootUrl": "https://chat.googleapis.com/",
   "schemas": {
     "ActionParameter": {
@@ -2565,6 +2565,10 @@
           "$ref": "GoogleAppsCardV1Action",
           "description": "What to do when a change occurs in the text input field. For example, a user adding to the field or deleting text. Examples of actions to take include running a custom function or opening a [dialog](https://developers.google.com/chat/how-tos/dialogs) in Google Chat."
         },
+        "placeholderText": {
+          "description": "Text that appears in the text input field when the field is empty. Use this text to prompt users to enter a value. For example, `Enter a number from 0 to 100`. Supported by Google Chat apps, but not Google Workspace Add-ons.",
+          "type": "string"
+        },
         "type": {
           "description": "How a text input field appears in the user interface. For example, whether the field is single or multi-line.",
           "enum": [
@@ -3385,7 +3389,7 @@
           "type": "string"
         },
         "externalUserAllowed": {
-          "description": "Immutable. Whether this space permits any Google Chat user as a member. Input when creating a space in a Google Workspace organization. For Google Chat users that use a Google Account, omit this field when creating a space (By default, the space permits any Google Chat user). For existing spaces, this field is output only.",
+          "description": "Immutable. Whether this space permits any Google Chat user as a member. Input when creating a space in a Google Workspace organization. Omit this field when creating spaces in the following conditions: * The authenticated user uses a Google Account. By default, the space permits any Google Chat user. * The space is used to [import data to Google Chat] (https://developers.google.com/chat/api/guides/import-data-overview). Import mode spaces must only permit members from the same Google Workspace organization. For existing spaces, this field is output only.",
           "type": "boolean"
         },
         "name": {
@@ -3651,7 +3655,7 @@
           "type": "boolean"
         },
         "name": {
-          "description": "Resource name for a Google Chat user. Format: `users/{user}`. `users/app` can be used as an alias for the calling app bot user. For human users, `{user}` is the same user identifier as: - the `{person_id`} for the [Person](https://developers.google.com/people/api/rest/v1/people) in the People API, where the Person `resource_name` is `people/{person_id}`. For example, `users/123456789` in Chat API represents the same person as `people/123456789` in People API. - the `id` for a [user](https://developers.google.com/admin-sdk/directory/reference/rest/v1/users) in the Admin SDK Directory API.",
+          "description": "Resource name for a Google Chat user. Format: `users/{user}`. `users/app` can be used as an alias for the calling app bot user. For human users, `{user}` is the same user identifier as: - the `{person_id`} for the [Person](https://developers.google.com/people/api/rest/v1/people) in the People API, where the Person `resource_name` is `people/{person_id}`. For example, `users/123456789` in Chat API represents the same person as `people/123456789` in People API. - the `id` for a [user](https://developers.google.com/admin-sdk/directory/reference/rest/v1/users) in the Admin SDK Directory API. - the user's email address can be used as an alias for `{user}` in API requests. For example, if the People API Person `resourceName` for `user@example.com` is `people/123456789`, you can use `users/user@example.com` as an alias to reference `users/123456789`. Only the canonical resource name (for example `users/123456789`) will be returned from the API.",
           "type": "string"
         },
         "type": {