Add sourceEncoding.
Add sourceEncoding.

jenkinsci/scm-sync-configuration-plugin,cornelf/scm-sync-configuration-plugin,cornelf/scm-sync-configuration-plugin,cornelf/scm-sync-configuration-plugin,Sauraus/scm-sync-configuration-plugin,jenkinsci/scm-sync-configuration-plugin,jenkinsci/scm-sync-configuration-plugin,Sauraus/scm-sync-configuration-plugin,Sauraus/scm-sync-configuration-plugin