[gtk/update-ci-to-f34] ci: Update the image to Fedora 34

[Matthias Clasen <matthiasc src gnome org>]

commit 97fc2b78c1e742b0e8d48d3c17d192af456f5bba
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat May 1 19:56:23 2021 -0400

    ci: Update the image to Fedora 34
    
    This is in preparation to using mutter --headless
    for tests.

 .gitlab-ci.yml               | 4 ++--
 .gitlab-ci/fedora.Dockerfile | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 59dc2e6fec..9bb30b979d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -24,9 +24,9 @@ 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:v29"
+  FEDORA_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora:v30"
   FLATPAK_IMAGE: "registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master"
-  DOCS_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora:v29"
+  DOCS_IMAGE: "registry.gitlab.gnome.org/gnome/gtk/fedora:v30"
 
 .only-default:
   only:
diff --git a/.gitlab-ci/fedora.Dockerfile b/.gitlab-ci/fedora.Dockerfile
index 6f24276c04..660268261e 100644
--- a/.gitlab-ci/fedora.Dockerfile
+++ b/.gitlab-ci/fedora.Dockerfile
@@ -1,4 +1,4 @@
-FROM fedora:33
+FROM fedora:34
 
 RUN dnf -y install \
     adwaita-icon-theme \