feat(chat): update the API

#### chat:v1

The following keys were added:
- schemas.Annotation.properties.richLinkMetadata.$ref
- schemas.Annotation.properties.richLinkMetadata.description
- schemas.DriveLinkData.description
- schemas.DriveLinkData.id
- schemas.DriveLinkData.properties.driveDataRef.$ref
- schemas.DriveLinkData.properties.driveDataRef.description
- schemas.DriveLinkData.properties.mimeType.description
- schemas.DriveLinkData.properties.mimeType.type
- schemas.DriveLinkData.type
- schemas.RichLinkMetadata.description
- schemas.RichLinkMetadata.id
- schemas.RichLinkMetadata.properties.driveLinkData.$ref
- schemas.RichLinkMetadata.properties.driveLinkData.description
- schemas.RichLinkMetadata.properties.richLinkType.description
- schemas.RichLinkMetadata.properties.richLinkType.enum
- schemas.RichLinkMetadata.properties.richLinkType.enumDescriptions
- schemas.RichLinkMetadata.properties.richLinkType.type
- schemas.RichLinkMetadata.properties.uri.description
- schemas.RichLinkMetadata.properties.uri.type
- schemas.RichLinkMetadata.type

The following keys were changed:
- resources.spaces.methods.list.parameters.pageSize.description
- resources.spaces.resources.members.methods.list.parameters.pageSize.description
- resources.spaces.resources.messages.methods.list.parameters.pageSize.description
- schemas.Annotation.properties.type.enum
- schemas.Annotation.properties.type.enumDescriptions
- schemas.ChatClientDataSourceMarkup.description
- schemas.CommonEventObject.properties.hostApp.enum
- schemas.CommonEventObject.properties.hostApp.enumDescriptions
- schemas.GoogleAppsCardV1Action.properties.interaction.description
- schemas.GoogleAppsCardV1Action.properties.interaction.enumDescriptions
- schemas.GoogleAppsCardV1Card.description
- schemas.GoogleAppsCardV1Column.description
- schemas.GoogleAppsCardV1Column.properties.horizontalSizeStyle.description
- schemas.GoogleAppsCardV1Column.properties.verticalAlignment.description
- schemas.GoogleAppsCardV1Columns.description
- schemas.GoogleAppsCardV1PlatformDataSource.description
- schemas.GoogleAppsCardV1SelectionInput.properties.type.enumDescriptions
- schemas.GoogleAppsCardV1TextInput.properties.placeholderText.description
- schemas.GoogleAppsCardV1Widgets.description
- schemas.HostAppDataSourceMarkup.description
- schemas.Message.properties.formattedText.description
- schemas.SpaceDataSource.description