script: Bump Ubuntu base VM image versions
script: Bump Ubuntu base VM image versions

Signed-off-by: Jonathan Rudenberg <3692bfa45759a67d83aedf0045f6cb635a966abf@titanous.com>
clifff/flynn,arekkas/flynn,felixrieseberg/flynn,lmars/flynn,rikur/flynn,TribeMedia/flynn,ozum/flynn,supermario/flynn,GrimDerp/flynn,whouses/flynn,supermario/flynn,technosophos/flynn,jzila/flynn,justintung/flynn,lmars/flynn,benbjohnson/flynn,schatt/flynn,tonicbupt/flynn,whouses/flynn,TribeMedia/flynn,rikur/flynn,supermario/flynn,supermario/flynn,GrimDerp/flynn,justintung/flynn,clifff/flynn,shads196770/flynn,schatt/flynn,technosophos/flynn,TribeMedia/flynn,Brandywine2161/flynn,flynn/flynn,justintung/flynn,clifff/flynn,flynn/flynn,philiplb/flynn,schatt/flynn,rikur/flynn,pkdevbox/flynn,shads196770/flynn,lmars/flynn,benbjohnson/flynn,kgrz/flynn,philiplb/flynn,TribeMedia/flynn,josephglanville/flynn,josephglanville/flynn,ozum/flynn,rikur/flynn,supermario/flynn,shads196770/flynn,TribeMedia/flynn,pkdevbox/flynn,pkdevbox/flynn,jzila/flynn,kgrz/flynn,clifff/flynn,justintung/flynn,technosophos/flynn,josephglanville/flynn,whouses/flynn,lmars/flynn,arekkas/flynn,whouses/flynn,justintung/flynn,supermario/flynn,shads196770/flynn,benbjohnson/flynn,felixrieseberg/flynn,ozum/flynn,pkdevbox/flynn,GrimDerp/flynn,mubassirhayat/flynn,philiplb/flynn,felixrieseberg/flynn,TribeMedia/flynn,Brandywine2161/flynn,pkdevbox/flynn,schatt/flynn,benbjohnson/flynn,kgrz/flynn,ozum/flynn,rikur/flynn,kgrz/flynn,ozum/flynn,clifff/flynn,philiplb/flynn,pkdevbox/flynn,whouses/flynn,lmars/flynn,GrimDerp/flynn,mubassirhayat/flynn,jzila/flynn,shads196770/flynn,technosophos/flynn,tonicbupt/flynn,tonicbupt/flynn,Brandywine2161/flynn,schatt/flynn,shads196770/flynn,ozum/flynn,schatt/flynn,mubassirhayat/flynn,jzila/flynn,GrimDerp/flynn,flynn/flynn,Brandywine2161/flynn,whouses/flynn,josephglanville/flynn,Brandywine2161/flynn,GrimDerp/flynn,josephglanville/flynn,felixrieseberg/flynn,josephglanville/flynn,clifff/flynn,kgrz/flynn,tonicbupt/flynn,felixrieseberg/flynn,tonicbupt/flynn,jzila/flynn,mubassirhayat/flynn,benbjohnson/flynn,arekkas/flynn,rikur/flynn,technosophos/flynn,kgrz/flynn,arekkas/flynn,arekkas/flynn,flynn/flynn,flynn/flynn,philiplb/flynn,Brandywine2161/flynn,justintung/flynn,jzila/flynn,benbjohnson/flynn