Merge branch...

Merge branch '990-invalid-reference-format-when-trying-to-delete-image-in-ci-after-merging' into 'master'

Resolve "Invalid reference format when trying to delete image in CI after merging"

Closes #990

See merge request openappstack/openappstack!575

.gitlab-ci.yml

@@ -720,6 +720,8 @@ terminate-droplet:
 delete-image:
   stage: build
   when: manual
+  needs:
+    - job: ci-test-image-build
   variables:
     GIT_STRATEGY: none
   script: