[glib-networking] Revert "ci: new image built with podman!"

[Michael Catanzaro <mcatanzaro src gnome org>]

commit f32b61f7a3868b129f971479e329bea8f4d643f9
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Aug 19 16:18:12 2019 -0500

    Revert "ci: new image built with podman!"
    
    This reverts commit c0e8e49510ca184c0c1fd6b6fdcbc47e4ff73944.

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 90b5958..b949f31 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: registry.gitlab.gnome.org/gnome/glib-networking/master:v5
+image: registry.gitlab.gnome.org/gnome/glib-networking/master:v3
 
 fedora-x86_64:
   script: