[enh] #101 remove feature branch from gitlab-ci

The job now only appear on master branch or tags pipelines
5 jobs for dev in 4 minutes and 24 seconds (queued for 16 seconds)
Status Job ID Name Coverage
  Format
passed #28117
redshift-docker-python
format

00:01:29

 
  Test
passed #28119
redshift-docker-python
check

00:02:07

passed #28118
redshift-docker-python
test

00:00:43

 
  Build
passed #28120
redshift-docker-python
build

00:00:47

 
  Release
manual #28121
redshift-docker-python allowed to fail manual
release_test