Changes to Update a lead label

added the new brown enum value to the data/color response property for the response status 200

added the new dark-gray enum value to the data/color response property for the response status 200

added the new orange enum value to the data/color response property for the response status 200

added the new pink enum value to the data/color response property for the response status 200

added the new brown enum value to the request property color

added the new dark-gray enum value to the request property color

added the new orange enum value to the request property color

added the new pink enum value to the request property color

the response property additional_data became nullable for the status 404

the response property data became nullable for the status 404

the security scope leads:full was added to the endpoint's security scheme oauth2