Merge branch 'fix-duplicate-migrations' into 'master'

Ensure migrations are complete before we run the spec tests

Closes #1095

See merge request charts/gitlab!751

(cherry picked from commit 0b95b42d)

94ad542a Ensure migrations are complete before we run the spec tests
9 jobs for 1-7-stable in 39 minutes (queued for 5 seconds)
Status Job ID Name Coverage
  Prepare
passed #191711933
check_docs_internal_links

00:01:00

passed #191711932
danger-review

00:01:26

 
  Review
passed #191711934
review

00:03:43

manual #191711935
allowed to fail manual
stop_review
 
  Specs
passed #191711936
review_specs

00:09:07

 
  Qa
skipped #191711943
debug_review
passed #191711944
allowed to fail
qa

00:23:56

passed #191711940
review_helm_test

00:00:41

 
  Package
passed #191711945
lint_package

00:00:45