[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare for next development iteration

ryancox/docker-maven-plugin,gilles/docker-maven-plugin,HotelsDotCom/docker-maven-plugin,ravwojdyla/docker-maven-plugin,UpSport/docker-maven-plugin,lndbrg/docker-maven-plugin,spotify/docker-maven-plugin,seven10builder/docker-maven-plugin,davidkarlsen/docker-maven-plugin,velo/docker-maven-plugin,kevin-canadian/docker-maven-plugin,zpearce/docker-maven-plugin