[pom] Bump license-plugin to 4.2.rc2
[pom] Bump license-plugin to 4.2.rc2

hazendaz/waffle,hazendaz/waffle,hazendaz/waffle,Waffle/waffle,Waffle/waffle,dblock/waffle,Waffle/waffle,dblock/waffle,dblock/waffle,dblock/waffle