ci: bump parallel run mem free to 500M (!9183) · Merge requests · Administrator / sourcegraph · GitLab

Administrator requested to merge ggilmore-patch-3 into ggilmore-patch-2 Mar 20, 2020

Created by: ggilmore

saw another flake here https://buildkite.com/sourcegraph/sourcegraph/builds/58664#ec4861bd-6b55-4d61-8312-9f8b8a8e984a