feat(chat): update the api

#### chat:v1

The following keys were added:
- schemas.ChatClientDataSourceMarkup (Total Keys: 3)
- schemas.GoogleAppsCardV1Card.properties.sectionDividerStyle.type (Total Keys: 1)
- schemas.GoogleAppsCardV1PlatformDataSource (Total Keys: 4)
- schemas.GoogleAppsCardV1SelectionInput.properties.externalDataSource.$ref (Total Keys: 1)
- schemas.GoogleAppsCardV1SelectionInput.properties.multiSelectMaxSelectedItems (Total Keys: 2)
- schemas.GoogleAppsCardV1SelectionInput.properties.multiSelectMinQueryLength (Total Keys: 2)
- schemas.GoogleAppsCardV1SelectionInput.properties.platformDataSource.$ref (Total Keys: 1)
- schemas.GoogleAppsCardV1SelectionItem.properties.bottomText.type (Total Keys: 1)
- schemas.GoogleAppsCardV1SelectionItem.properties.startIconUri.type (Total Keys: 1)
- schemas.HostAppDataSourceMarkup (Total Keys: 3)
- schemas.SpaceDataSource (Total Keys: 3)

Author: yoshi-automation