ci: Rename Dockerfile

Our primary image now comes from mutter, so the default Dockerfile
name is free for our JS image.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1177
This commit is contained in:
Florian Müllner 2020-04-04 02:22:00 +02:00 committed by verdre
parent 2b70151794
commit e7512fcd79