feat(cw): add a script to replace docker cubicweb images by the new cubicweb-base image

3 jobs for topic/default/use-cw-base-image in 3 minutes and 36 seconds (queued for 4 minutes and 3 seconds)
Status Job ID Name Coverage
  Test
passed #338239
black-check

00:00:32

passed #338240
flake8

00:02:15

passed #338241
py3

00:03:05