This file may be required by recent containers tool when doing unshare
Also make the image build jobs non-voting temporarily since they are
broken by the issue this change fixes.
Also, pin docker image to 2.16.8 for quick-start (squashed in here
to be able to merge again):
The new version 3.0.0 needs some configuration adjustment, git-review is
remote: error: branch refs/publish/master:
remote: You need 'Create' rights to create new references.
remote: User: user
remote: Contact an administrator to fix the permissions