lock docker-maven-plugin to 0.12.0
lock docker-maven-plugin to 0.12.0

grepsr/Singularity,hs-jenkins-bot/Singularity,calebTomlinson/Singularity,andrhamm/Singularity,grepsr/Singularity,grepsr/Singularity,acbellini/Singularity,calebTomlinson/Singularity,HubSpot/Singularity,HubSpot/Singularity,acbellini/Singularity,andrhamm/Singularity,andrhamm/Singularity,hs-jenkins-bot/Singularity,calebTomlinson/Singularity,stevenschlansker/Singularity,acbellini/Singularity,acbellini/Singularity,HubSpot/Singularity,hs-jenkins-bot/Singularity,HubSpot/Singularity,calebTomlinson/Singularity,calebTomlinson/Singularity,acbellini/Singularity,stevenschlansker/Singularity,grepsr/Singularity,hs-jenkins-bot/Singularity,stevenschlansker/Singularity,grepsr/Singularity,hs-jenkins-bot/Singularity,grepsr/Singularity,acbellini/Singularity,andrhamm/Singularity,calebTomlinson/Singularity,HubSpot/Singularity,stevenschlansker/Singularity,stevenschlansker/Singularity,stevenschlansker/Singularity,andrhamm/Singularity