Add changelog for 7.2.0
Version 7.1.1 should have been 7.2.0 according to semver. This MR is part of a plan to clean up the 7.1.x branch so we can have patches targeting GitLab 11.5.
Version 7.1.1 should have been 7.2.0 according to semver. This MR is part of a plan to clean up the 7.1.x branch so we can have patches targeting GitLab 11.5.