[#JENKINS-17334] Fix support for gh-ent token generation.
[#JENKINS-17852] Lookup PR detailed information for each PR.
Merge remote-tracking branch 'christianchristensen/JENKINS-17334'
change version of github-api-plugin tu 1.42
Merge remote-tracking branch 'christianchristensen/JENKINS-17852'
check if the detailed PR information needs to be obtained