"null" type isn't handled for OpenAPI 3.1 #2430

type: object
properties:
  id:
    type: string
  url:
    type: string
    format: uri
  challenger:
    type: "null"

error generating code: error collecting component types: error generating Go types for component schemas: error converting Schema ChallengeOpenJson to Go type: error generating Go schema for property 'challenger': error resolving primitive type: unhandled Schema type: &[null]