Changes to Update a Meeting activity

added the pattern property ^custom\.(cf|lcf|ccf|acf|gcf|scf)_[A-Za-z0-9]+$ to the response body for the status 200

added the media type application/json for the response with the status 400

added the media type application/json for the response with the status 401

added the media type application/json for the response with the status 404

added the non-success response with the status 403

added the non-success response with the status 429

added the optional property created_by_agent_id to the response with the 200 status

response property agent_config_id deprecated

removed the optional property _paused_subscriptions from the response with the 200 status

removed the optional property transcripts/items/anyOf[subschema #1: MeetingTranscript]/utterances/items/words from the response with the 200 status

added the optional property agent_config_id to the response with the 200 status