Update from new OAS version

Author: sangeet-joy_xero

docs/payroll-uk/index.html

@@ -2562,7 +2562,7 @@
   "type" : "string",
   "description" : "The employee's NI Category letter.",
   "example" : "I",
-  "enum" : [ "A", "B", "C", "D", "E", "F", "H", "I", "J", "K", "L", "M", "N", "S", "V", "X", "Z" ]
+  "enum" : [ "A", "B", "C", "F", "H", "I", "J", "L", "M", "S", "V", "X", "Z", "D", "E", "K", "N" ]
 };
       defs["NICategory_oneOf"] = {
   "title" : "",

src/gen/model/accounting/organisation.ts

@@ -392,7 +392,8 @@ export namespace Organisation {
         ULTIMATE100 = <any> 'ULTIMATE_100',
         IGNITE = <any> 'IGNITE',
         GROW = <any> 'GROW',
-        COMPREHENSIVE = <any> 'COMPREHENSIVE'
+        COMPREHENSIVE = <any> 'COMPREHENSIVE',
+        SIMPLE = <any> 'SIMPLE'
     }
     export enum EditionEnum {
         BUSINESS = <any> 'BUSINESS',