Changes to Update a task

added the non-success response with the status 400

removed the enum value green of the request property nature

removed the enum value red of the request property nature

removed the enum value unknown of the request property nature

request property content list-of-types was widened by adding types null to media type application/json

request property nature list-of-types was widened by adding types null to media type application/json

added the required property task/scheduledDate to the response with the 200 status

removed the required property task/projectCategoryId from the response with the 200 status

added the required property task/projectSectionId to the response with the 200 status

endpoint added