[maven-release-plugin] prepare release blueocean-pipeline-editor-1.0-alpha-2
[maven-release-plugin] prepare release blueocean-pipeline-editor-1.0-alpha-2

kzantow/blueocean-plugin,jenkinsci/blueocean-plugin,jenkinsci/blueocean-plugin,kzantow/blueocean-plugin,kzantow/blueocean-plugin,jenkinsci/blueocean-plugin,jenkinsci/blueocean-plugin,kzantow/blueocean-plugin,jenkinsci/blueocean-plugin