Removes deprecated --parallel switch on compose
Description
As of `docker-compose` 1.21.0, `pull` uses `--parallel` by default([1]).
Won't Do
Assignee
Reporter
Contributor Name
Matt Bajor
Repo
edx/devstack
Customer
None
Epic Link
None
OSCM Assignee
Platform Map Area (Levels 1 & 2)
Developer Experiences
Platform Map Area (Levels 3 & 4)
None
Blended Hour Utilization Percentage
None
edX Theme
None
edX Squad
None
Github Lines Added
3
Github Lines Deleted
3
Priority
