Update gitlab-org/build/omnibus-mirror/alertmanager from 0.18.0 to 0.20.0 (!3804) · Merge requests · GitLab.org / omnibus-gitlab · GitLab

[┐∵]┘GitLab Dependency Bot requested to merge deps/9576993-1c95ecc into master Dec 17, 2019

The following dependencies have been updated by dependencies.io:

gitlab-org/build/omnibus-mirror/alertmanager from "0.18.0" to "0.20.0"