[glib-networking] ci: Bump image version

[Michael Catanzaro <mcatanzaro src gnome org>]

commit fae72cac475ede48f5398b7f692f28a1735efab6
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Aug 19 16:18:41 2019 -0500

    ci: Bump image version

 .gitlab-ci/run-docker.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci/run-docker.sh b/.gitlab-ci/run-docker.sh
index 3a66ba9..e6d80ce 100755
--- a/.gitlab-ci/run-docker.sh
+++ b/.gitlab-ci/run-docker.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-TAG="registry.gitlab.gnome.org/gnome/glib-networking/master:v4"
+TAG="registry.gitlab.gnome.org/gnome/glib-networking/master:v6"
 
 cd "$(dirname "$0")"