Changes to Update an existing pixel

the measurementPixel response's property type changed from object to no type for status 200

removed the optional property measurementPixel/brand from the response with the 200 status

removed the optional property measurementPixel/id from the response with the 200 status

removed the optional property measurementPixel/name from the response with the 200 status

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 media type application/json for the response with the status 422

added the non-success response with the status 400

added the non-success response with the status 403

added Pixel subschema #2 to the measurementPixel response property allOf list for the response status 200