(maint) Move Docker VOLUME declarations up
(maint) Move Docker VOLUME declarations up

 - Since K8s always creates volumes empty, there's no need to defer
   these stages until later. It also doesn't look like the note was
   correct anymore when building with Docker 20.10 on OSX

puppetlabs/puppetdb,puppetlabs/puppetdb,puppetlabs/puppetdb,puppetlabs/puppetdb,puppetlabs/puppetdb