Changes to GET /guilds/:guild_id/widget.json

the response property instant_invite became required for the status 200

the response property members/items/avatar became required for the status 200

the members/items/activity response's property type changed from no type to object for status 200

the members/items/channel_id response's property type changed from no type to string, and format from no format to snowflake for status 200

removed SnowflakeType subschema #1 from the members/items/channel_id response property oneOf list for the response status 200

removed WidgetActivity subschema #1 from the members/items/activity response property oneOf list for the response status 200

the members/items/channel_id response's property pattern ^(0|[1-9][0-9]*)$ was added for the status 200

added the required property members/items/activity/name to the response with the 200 status