[gnome-maps/ci/fedora31] Test with Fedora 31 image

[Marcus Lundblad <mlundblad src gnome org>]

commit a4b38bfdb294643bf8097fe4449c1f19db2aab3c
Author: Marcus Lundblad <ml update uu se>
Date:   Fri Feb 21 11:57:29 2020 +0100

    Test with Fedora 31 image

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 29e91e51..709972b1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,7 +7,7 @@ variables:
     BUNDLE: "gnome-maps-git.flatpak"
 
 flatpak:
-    image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master
+    image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/fedora:31
     stage: test
     variables:
         # Replace with your manifest path