Changes to Update post

removed the request property addSocialProfileIds

removed the request property socialProfileIds

added the new optional request property addChannelIds

added the new optional request property channelIds

the request property scheduledAt became not nullable

api operation id updatePost was added

api tag Posts added

added the new optional request property options

added the media type application/json for the response with the status 200

added the media type application/json for the response with the status 500

added the non-success response with the status 400

added the non-success response with the status 401

added the non-success response with the status 403

added the non-success response with the status 404

added the non-success response with the status 429

removed the request property brandId