Add possibility tag alha or beta version for gitlab-ci

2 jobs for backoffice-v0.0.6b in 10 minutes and 9 seconds (queued for 5 minutes and 39 seconds)
latest
Status Job ID Name Coverage
  Build
passed #5761
backoffice publish

00:05:28

 
  Deploy
passed #5762
deploy Backoffice to staging

00:04:41