[mutter] ci: Update Wayland to v1.21.0

[Marge Bot <marge-bot src gnome org>]

commit cddf30c1dfd848698f648d7b4290ba8f1fa53683
Author: José Expósito <jose exposito89 gmail com>
Date:   Mon Jul 11 07:58:35 2022 +0200

    ci: Update Wayland to v1.21.0
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1962>

 .gitlab-ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index daa39f6ff3..fb69706068 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -18,7 +18,7 @@ variables:
 .mutter.fedora:35@common:
   variables:
     FDO_DISTRIBUTION_VERSION: 35
-    BASE_TAG: '2022-06-28.0'
+    BASE_TAG: '2022-07-11.0'
     FDO_DISTRIBUTION_PACKAGES:
       asciidoc
       clang
@@ -74,7 +74,7 @@ variables:
 
       ./.gitlab-ci/install-meson-project.sh \
         https://gitlab.freedesktop.org/wayland/wayland.git \
-        1.20.0 . &&
+        1.21.0 . &&
 
       ./.gitlab-ci/install-meson-project.sh \
         https://gitlab.freedesktop.org/wayland/wayland-protocols.git \