[UKPAY-11962] feat: Adding NeonatalCare enum to EmployeeStatutoryLeaveBalance and EmployeeStatutoryLeaveSummary for UK

Author: domjones-dj

xero-payroll-uk.yaml

@@ -6327,6 +6327,7 @@ components:
           - Paternity
           - Sharedparental
           - Bereavement
+          - NeonatalCare
         balanceRemaining:
           description: The balance remaining for the corresponding leave type as of specified date.
           type: number
@@ -6368,6 +6369,7 @@ components:
             - Paternity
             - Sharedparental
             - Bereavement
+            - NeonatalCare
         startDate:
           description: The date when the leave starts  
           type: string