[gitg/gnome-3-30] gitlabci: Use 3.30 docker image

[Alberto Fanjul <albfan src gnome org>]

commit 8811cc8d16d6c629b0658468ef539271aa019ac4
Author: Alberto Fanjul <albertofanjul gmail com>
Date:   Thu Nov 29 09:47:55 2018 +0000

    gitlabci: Use 3.30 docker image

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6094a830..baa2854e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,7 +7,7 @@ variables:
     BUNDLE: "gitg-git.flatpak"
 
 flatpak:
-    image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master
+    image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:3.30
     stage: test
 
     variables: