updated release notes
updated release notes

kamilszymanski/job-dsl-plugin,jenkinsci/job-dsl-plugin,daspilker/job-dsl-plugin,jenkinsci/job-dsl-plugin,daspilker/job-dsl-plugin,jenkinsci/job-dsl-plugin,kamilszymanski/job-dsl-plugin,daspilker/job-dsl-plugin,kamilszymanski/job-dsl-plugin