[gtk/gtk-4-4] ci: Use the v34 Fedora image

[Matthias Clasen <matthiasc src gnome org>]

commit 64a2c11178ef0fbb6c7dab3891e9fd13cd34da23
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Mar 17 14:23:27 2022 -0400

    ci: Use the v34 Fedora image
    
    The v33 one was dropped from the registry.

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 42aafa312c..fe79c91b59 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -25,7 +25,7 @@ variables:
   BACKEND_FLAGS: "-Dx11-backend=true -Dwayland-backend=true -Dbroadway-backend=true"
   FEATURE_FLAGS: "-Dvulkan=enabled -Dcloudproviders=enabled"
   MESON_TEST_TIMEOUT_MULTIPLIER: 3
-  FEDORA_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora:v33"
+  FEDORA_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora:v34"
   FLATPAK_IMAGE: "registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master"
 
 .only-default: