Update Docker Compose versions in docs (!10467) · Merge requests · Administrator / sourcegraph · GitLab

Administrator requested to merge dadlerj-patch-1 into master May 07, 2020

Created by: dadlerj

Looks like these got left off of the last few updates. The docker-compose.yaml file seems to be on 3.15.1 though: https://github.com/sourcegraph/deploy-sourcegraph-docker/blob/master/docker-compose/docker-compose.yaml