[cantarell-fonts/respacing] Restore CI

[Nikolaus Waxweiler <nwaxweiler src gnome org>]

commit 6487056e2760ec2ccd524eb09aabd47e7a5caf4d
Author: Nikolaus Waxweiler <madigens gmail com>
Date:   Thu Jan 2 11:11:37 2020 +0100

    Restore CI
    
    TODO: find better suited image

 .gitlab-ci.yml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 85ce5c26..3bf40c94 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,9 @@
+image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/base:latest
+
 build:
   script:
-    - pip3 install -r requirements.txt
+    - dnf install -y libappstream-glib-devel gettext
+    - pip3 install meson ninja -r requirements.txt
     - meson build
     - ninja -C build install