ci-base: move to bulleyes as the base

Bulleyes is almost released and multiple package we need lives there.
27 jobs for topic/default/bulleyes in 55 seconds (queued for 32 seconds)
latest
Name Stage Failure
failed
build:base Image Build 0
E: Unable to locate package python2-pip
E: Unable to locate package python2-setuptools
E: Unable to locate package python2-subversion
E: Unable to locate package python2-virtualenv
E: Unable to locate package python2-wheel
error building image: error building stage: failed to execute command: waiting for process to exit: exit status 100
Running after_script
Uploading artifacts for failed job
ERROR: Job failed: exit code 1