Changes to Cancel a policy according to its id.

added the new optional request property cancellation_sub_reason

added the new CREDIT_CARD_REJECTED enum value to the request property cancellation_reason

added the new DECEASED_POLICY_HOLDER enum value to the request property cancellation_reason

added the new DUPLICATE_PURCHASE enum value to the request property cancellation_reason

added the new END_OF_CONTRACT enum value to the request property cancellation_reason

added the new EXTRAORDINARY_TERMINATION_AFTER_CLAIM enum value to the request property cancellation_reason

added the new MOVING_RESIDENCE_ABROAD enum value to the request property cancellation_reason

added the new NON_PAYMENT enum value to the request property cancellation_reason

added the new OTHER_REASON enum value to the request property cancellation_reason