step([$class: 'GhprbPullRequestMerge']): Github Pull Request Merger
mergeComment : String
Comment that should show up when the merge command is sent to GitHub.
onlyAdminsMerge : boolean
Only allow admin users to trigger a pull request merge.
disallowOwnCode : boolean
Disallow a user to merge their own code.
failOnNonMerge : boolean
deleteOnMerge : boolean
allowMergeWithoutTriggerPhrase : boolean
Allow merging even if the trigger phrase is not present. This can be used with the permitAll ("Build every pull request automatically without asking (Dangerous!).")