script: Bump Ubuntu VM base images
script: Bump Ubuntu VM base images

Signed-off-by: Jonathan Rudenberg <3692bfa45759a67d83aedf0045f6cb635a966abf@titanous.com>

TribeMedia/flynn,benbjohnson/flynn,justintung/flynn,felixrieseberg/flynn,whouses/flynn,rikur/flynn,rikur/flynn,tonicbupt/flynn,tonicbupt/flynn,ozum/flynn,technosophos/flynn,kgrz/flynn,felixrieseberg/flynn,kgrz/flynn,schatt/flynn,pkdevbox/flynn,Brandywine2161/flynn,flynn/flynn,supermario/flynn,flynn/flynn,justintung/flynn,ozum/flynn,philiplb/flynn,schatt/flynn,pkdevbox/flynn,pkdevbox/flynn,lmars/flynn,benbjohnson/flynn,ozum/flynn,tonicbupt/flynn,jzila/flynn,justintung/flynn,Brandywine2161/flynn,josephglanville/flynn,jzila/flynn,benbjohnson/flynn,clifff/flynn,shads196770/flynn,TribeMedia/flynn,GrimDerp/flynn,shads196770/flynn,felixrieseberg/flynn,whouses/flynn,whouses/flynn,Brandywine2161/flynn,felixrieseberg/flynn,benbjohnson/flynn,schatt/flynn,supermario/flynn,justintung/flynn,flynn/flynn,ozum/flynn,philiplb/flynn,GrimDerp/flynn,flynn/flynn,technosophos/flynn,jzila/flynn,arekkas/flynn,supermario/flynn,supermario/flynn,jzila/flynn,pkdevbox/flynn,kgrz/flynn,schatt/flynn,technosophos/flynn,Brandywine2161/flynn,jzila/flynn,supermario/flynn,supermario/flynn,GrimDerp/flynn,philiplb/flynn,kgrz/flynn,philiplb/flynn,rikur/flynn,pkdevbox/flynn,flynn/flynn,justintung/flynn,benbjohnson/flynn,arekkas/flynn,jzila/flynn,josephglanville/flynn,clifff/flynn,schatt/flynn,clifff/flynn,TribeMedia/flynn,tonicbupt/flynn,lmars/flynn,lmars/flynn,whouses/flynn,technosophos/flynn,tonicbupt/flynn,clifff/flynn,TribeMedia/flynn,shads196770/flynn,clifff/flynn,schatt/flynn,GrimDerp/flynn,technosophos/flynn,josephglanville/flynn,pkdevbox/flynn,arekkas/flynn,whouses/flynn,GrimDerp/flynn,arekkas/flynn,rikur/flynn,justintung/flynn,josephglanville/flynn,whouses/flynn,josephglanville/flynn,ozum/flynn,lmars/flynn,benbjohnson/flynn,ozum/flynn,shads196770/flynn,Brandywine2161/flynn,shads196770/flynn,rikur/flynn,arekkas/flynn,rikur/flynn,GrimDerp/flynn,clifff/flynn,philiplb/flynn,felixrieseberg/flynn,TribeMedia/flynn,josephglanville/flynn,lmars/flynn,TribeMedia/flynn,kgrz/flynn,Brandywine2161/flynn,kgrz/flynn,shads196770/flynn