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

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