Merge branch 'refactor-jh-gem-sync' into 'main-jh'

Adjust JH Gemfile.lock

See merge request gitlab-cn/gitlab!1778

jh/bin/adjust_gemfile_lock

+#!/bin/sh
+
+echo 'In the jh/Gemfile.lock, replace the remote using the PATH method with the upper-level directory'
+cat Gemfile.lock | sed -e '/^PATH$/{n;s/remote: /&..\//}' > jh/Gemfile.lock