Changes to Issue tasks

the endpoint scheme security companyToken was added to the API

removed the enum value 0 of the request property tasks/items/priority

removed the enum value 1 of the request property tasks/items/priority

added the pattern ^(?:Z|[+-](?:2[0-3]|[01][0-9]):[0-5][0-9])$ to the request property tasks/items/timezone

added the new 0.00 enum value to the request property tasks/items/priority

added the new 1.00 enum value to the request property tasks/items/priority

removed the required property error/errors/per_page from the response with the 422 status