[gjs: 2/2] Merge branch 'mozjs68-ci' into 'master'

[Philip Chimento <pchimento src gnome org>]

commit 52d0c3618448102d8d44550bdab48b76a5c77808
Merge: 0c6507be a8095ee8
Author: Philip Chimento <philip chimento gmail com>
Date:   Tue Dec 31 23:25:51 2019 +0000

    Merge branch 'mozjs68-ci' into 'master'
    
    CI: Create mozjs68 CI images
    
    See merge request GNOME/gjs!379

 .gitlab-ci.yml    | 27 +++++++++++++++++++++++++++
 test/ci-images.sh |  6 +++---
 2 files changed, 30 insertions(+), 3 deletions(-)
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