Changes to Update Content

added the new required request property types/twilio/schedule/time_slots

removed the request property types/twilio/schedule/timeSlots

the request property types/twilio/call-to-action/actions/items/title became optional

added the new REQUEST_CONTACT_INFO enum value to the request property types/twilio/call-to-action/actions/items/type

the request property types/twilio/call-to-action/actions became required

the request property types/twilio/call-to-action/body became required

the request property types/twilio/carousel/cards/items/actions became required

the request property types/twilio/carousel/cards/items/body became required

the request property types/twilio/carousel/cards/items/media became required

the request property types/twilio/flows/pages/items/title became required

the request property types/twilio/flows/pages/items/layout/items/label became optional

endpoint added