[EE] Use the new parallel keyword in .gitlab-ci.yml
EE port of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/23083.
What does this MR do?
This modifies .gitlab-ci.yml
to use the new parallel
keyword.
Does this MR meet the acceptance criteria?
- [-] Changelog entry added, if necessary
- [-] Documentation created/updated
- [-] Tests added for this feature/bug
-
Conforms to the code review guidelines -
Conforms to the merge request performance guidelines -
Conforms to the style guides -
Conforms to the database guides - [-] Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process.