[gxml] CI: moving to ubuntu devel docker

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 82a2439de3d765acde056ca5db0546fc115695f4
Author: Daniel Espinosa <esodan gmail com>
Date:   Fri Mar 2 13:02:14 2018 -0600

    CI: moving to ubuntu devel docker

 .gitlab-ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5162e02..e17af4a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: debian:testing
+image: ubuntu:devel
 
 
 stages:
@@ -6,7 +6,7 @@ stages:
 
 before_script:
   - apt update
-  - apt-get install -y libxml2-dev libglib2.0-dev valac libgee-0.8-dev gettext gobject-introspection 
gir1.2-glib-2.0 meson
+  - apt-get install -y libxml2-dev libglib2.0-dev valac libgee-0.8-dev gettext meson
 
 build-gxml:
   stage: build