[gnome-games/alatiera/ci-flatpak-image] CI: Update the images used in the Flatpak job

[Jordan Petridis <jpetridis src gnome org>]

commit 6583b33fb011e04ce328170fe5a04d563cf7cefa
Author: Jordan Petridis <jordanpetridis protonmail com>
Date:   Sat Aug 4 11:29:58 2018 +0000

    CI: Update the images used in the Flatpak job
    
    gnome-nightly-oci registry has been depricated for a while and replaced
    by gnome-runtimes-images.

 .gitlab-ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ae2f25bf..13c1c4ce 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,7 +7,7 @@ variables:
   BUNDLE: "gnome-games-git.flatpak"
 
 flatpak:tests:
-  image: registry.gitlab.gnome.org/gnome/gnome-nightly-oci/nightly:master
+  image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master
   stage: test
   variables:
     MANIFEST_PATH: "flatpak/org.gnome.Games.UnitTests.json"
@@ -19,7 +19,7 @@ flatpak:tests:
       - .flatpak-builder/cache/
 
 flatpak:app:
-  image: registry.gitlab.gnome.org/gnome/gnome-nightly-oci/nightly:master
+  image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master
   stage: build
   variables:
     MANIFEST_PATH: "flatpak/org.gnome.Games.json"