The Chat Channels search API now supports an `include_archived` request field to return archived channels. The chat session Reports API includes a new `has_external_member` field to indicate sessions with external participants.

New request and response fields for Chat Channels and Reports APIs

 ## Enhancements
- New `include_archived` request field in the following  **Chat Channels (Account-level)** API:
	- `POST /v2/chat/channels/search`
- New `has_external_member` response field in the following  **Reports** API:
	- `GET /v2/report/chat/sessions`
