[gnome-boxes/coldtom/runtime-version: 2/4] ci: Use master SDK for flatpak

[Felipe Borges <felipeborges src gnome org>]

commit 2b2026bfa02a4acc46a689513b8c05a3d4606953
Author: Thomas Coldrick <thomas coldrick codethink co uk>
Date:   Wed Aug 22 13:20:17 2018 +0100

    ci: Use master SDK for flatpak
    
    Updates the runtime version used in the CI to master, to make sure
    nightly app builds.

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 97925402..378b4202 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,7 +7,7 @@ variables:
     BUNDLE: "gnome-boxes.flatpak"
 
 flatpak:
-    image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:3.28 
+    image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master 
     stage: test
     variables:
         MANIFEST_PATH: "build-aux/flatpak/org.gnome.Boxes.json"