Changes to GET /v1/:innovationId/assessments/:assessmentId/exemption

added the new CAPACITY enum value to the exemption/reason response property for the response status 200

added the new INCORRECT_DETAILS enum value to the exemption/reason response property for the response status 200

added the new NO_RESPONSE enum value to the exemption/reason response property for the response status 200

added the new SERVICE_UNAVAILABLE enum value to the exemption/reason response property for the response status 200

added the new TECHNICAL_DIFFICULTIES enum value to the exemption/reason response property for the response status 200

the response property exemption/reason became required for the status 200

the response property isExempted became required for the status 200