fix(chat): update the API

#### chat:v1

The following keys were changed:
- schemas.Message.properties.formattedText.description

Author: yoshi-automation

discovery/chat-v1.json

@@ -1535,7 +1535,7 @@
       }
     }
   },
-  "revision": "20251002",
+  "revision": "20251009",
   "rootUrl": "https://chat.googleapis.com/",
   "schemas": {
     "AccessSettings": {
@@ -4708,7 +4708,7 @@
           "type": "string"
         },
         "formattedText": {
-          "description": "Output only. Contains the message `text` with markups added to communicate formatting. This field might not capture all formatting visible in the UI, but includes the following: * [Markup syntax](https://developers.google.com/workspace/chat/format-messages) for bold, italic, strikethrough, monospace, monospace block, and bulleted list. * [User mentions](https://developers.google.com/workspace/chat/format-messages#messages-@mention) using the format ``. * Custom hyperlinks using the format `<{url}|{rendered_text}>` where the first string is the URL and the second is the rendered text—for example, ``. * Custom emoji using the format `:{emoji_name}:`—for example, `:smile:`. This doesn't apply to Unicode emoji, such as `U+1F600` for a grinning face emoji. For more information, see [View text formatting sent in a message](https://developers.google.com/workspace/chat/format-messages#view_text_formatting_sent_in_a_message)",
+          "description": "Output only. Contains the message `text` with markups added to communicate formatting. This field might not capture all formatting visible in the UI, but includes the following: * [Markup syntax](https://developers.google.com/workspace/chat/format-messages) for bold, italic, strikethrough, monospace, monospace block, and bulleted list. * [User mentions](https://developers.google.com/workspace/chat/format-messages#messages-@mention) using the format ``. * Custom hyperlinks using the format `<{url}|{rendered_text}>` where the first string is the URL and the second is the rendered text—for example, ``. * Custom emoji using the format `:{emoji_name}:`—for example, `:smile:`. This doesn't apply to Unicode emoji, such as `U+1F600` for a grinning face emoji. * Bullet list items using asterisks (`*`)—for example, `* item`. For more information, see [View text formatting sent in a message](https://developers.google.com/workspace/chat/format-messages#view_text_formatting_sent_in_a_message)",
           "readOnly": true,
           "type": "string"
         },

src/apis/chat/v1.ts

@@ -2210,7 +2210,7 @@ export namespace chat_v1 {
      */
     fallbackText?: string | null;
     /**
-     * Output only. Contains the message `text` with markups added to communicate formatting. This field might not capture all formatting visible in the UI, but includes the following: * [Markup syntax](https://developers.google.com/workspace/chat/format-messages) for bold, italic, strikethrough, monospace, monospace block, and bulleted list. * [User mentions](https://developers.google.com/workspace/chat/format-messages#messages-@mention) using the format ``. * Custom hyperlinks using the format `<{url\}|{rendered_text\}\>` where the first string is the URL and the second is the rendered text—for example, ``. * Custom emoji using the format `:{emoji_name\}:`—for example, `:smile:`. This doesn't apply to Unicode emoji, such as `U+1F600` for a grinning face emoji. For more information, see [View text formatting sent in a message](https://developers.google.com/workspace/chat/format-messages#view_text_formatting_sent_in_a_message)
+     * Output only. Contains the message `text` with markups added to communicate formatting. This field might not capture all formatting visible in the UI, but includes the following: * [Markup syntax](https://developers.google.com/workspace/chat/format-messages) for bold, italic, strikethrough, monospace, monospace block, and bulleted list. * [User mentions](https://developers.google.com/workspace/chat/format-messages#messages-@mention) using the format ``. * Custom hyperlinks using the format `<{url\}|{rendered_text\}\>` where the first string is the URL and the second is the rendered text—for example, ``. * Custom emoji using the format `:{emoji_name\}:`—for example, `:smile:`. This doesn't apply to Unicode emoji, such as `U+1F600` for a grinning face emoji. * Bullet list items using asterisks (`*`)—for example, `* item`. For more information, see [View text formatting sent in a message](https://developers.google.com/workspace/chat/format-messages#view_text_formatting_sent_in_a_message)
      */
     formattedText?: string | null;
     /**