Merge branch 'ce-9090-follow_up_on_store_container_scanning_results_in_db' into 'master'

Backport container scanning fixtures

See merge request gitlab-org/gitlab-ce!24292

spec/fixtures/security-reports/feature-branch/gl-container-scanning-report.json

 {
   "image": "registry.gitlab.com/bikebilly/auto-devops-10-6/feature-branch:e7315ba964febb11bac8f5cd6ec433db8a3a1583",
-    "unapproved": [
-        "CVE-2017-15650"
-    ],
+  "unapproved": ["CVE-2017-15650"],
   "vulnerabilities": [
     {
       "featurename": "musl",