ci: Bump mutter image

Pull in a newer GTK version with session save/restore support, so
the Extension app can more easily start to use that API.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/4032>

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6eed6c0ef2320e7c408db64ee8658d3097f53a77..ea95c725918b98abdf41d2cf62103a09124915d9 100644 (file)
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -34,7 +34,7 @@ default:
   image: $MUTTER_CI_IMAGE
 
 variables:
-  MUTTER_CI_IMAGE: registry.gitlab.gnome.org/gnome/mutter/fedora/43:x86_64-2025-12-03.0
+  MUTTER_CI_IMAGE: registry.gitlab.gnome.org/gnome/mutter/fedora/43:x86_64-2025-12-20.0
   TARBALL_ARTIFACT_PATH: build/meson-dist/$CI_PROJECT_NAME-$CI_COMMIT_TAG.tar.xz
 
 .pipeline-guard: