ci: Bump mutter image

Mutter depends on a newer wayland version, so update the image to
satisfy the dependency.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3804>

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d34bd5f0e3fedc19ccba582faf27636519c00361..5a935f6bdc23ffd37bd657b4028601e86678e4c7 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/42:x86_64-2025-07-14.0
+  MUTTER_CI_IMAGE: registry.gitlab.gnome.org/gnome/mutter/fedora/42:x86_64-2025-07-21.0
   TARBALL_ARTIFACT_PATH: build/meson-dist/$CI_PROJECT_NAME-$CI_COMMIT_TAG.tar.xz
 
 .pipeline-guard: