Changes to Get Channel Targets

added the optional property items/items/sip_configuration to the response with the 200 status

added the enum value target_mode_list to the property anyOf[subschema #1]/items/ of the query request parameter fields

added the enum value target_mode_list to the property items/ of the query request parameter search_fields

added the enum value a2p_verified to the property anyOf[subschema #1: ChannelTargetProperties]/ of the query request parameter order_by

added the enum value a2p_verified to the property anyOf[subschema #1]/items/ of the query request parameter fields

added the enum value a2p_verified to the property items/ of the query request parameter search_fields

added the optional property items/items/a2p_verified to the response with the 200 status

added the new whatsapp enum value to the items/items/target_mode response property for the response status 200