jenkins configuration as code seed job from github enterprise

jenkins_casc.yaml

jobs:
  - script: >
      multibranchPipelineJob('jenkins-casc-seed') {
        def repo = "https://my-github-server/..."
        branchSources {
          github {
            // The id option in the Git and GitHub branch source contexts is now mandatory (JENKINS-43693).
            id(UUID.nameUUIDFromBytes(repo.getBytes()).toString()) // IMPORTANT: use a constant and unique identifier
            scanCredentialsId('github')
            repoOwner('my-org')
            repository('my-repository')
            apiUri('https://my-github-server/api/v3') // Optional, needed for private github enterprise servers
          }
        }
        orphanedItemStrategy {
          discardOldItems {
            numToKeep(1)
          }
        }
        triggers {
          periodic(5)
        }
      }