[mutter] Bump required wayland-protocols version

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

commit 823e3a5c72305fe74675a4a092a2e3f80aa068d3
Author: Robert Mader <robert mader posteo de>
Date:   Fri Jul 29 15:13:02 2022 +0200

    Bump required wayland-protocols version
    
    For `wp_single_pixel_buffer_v1`
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2246>

 .gitlab-ci.yml | 4 ++--
 meson.build    | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8ad2d77f2a..00d06f1f77 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: '2022-07-21.0'
+    BASE_TAG: '2022-07-29.0'
     FDO_DISTRIBUTION_PACKAGES:
       asciidoc
       clang
@@ -78,7 +78,7 @@ variables:
 
       ./.gitlab-ci/install-meson-project.sh \
         https://gitlab.freedesktop.org/wayland/wayland-protocols.git \
-        1.25 . &&
+        1.26 . &&
 
       ./.gitlab-ci/install-meson-project.sh \
         -Dgtk_doc=false \
diff --git a/meson.build b/meson.build
index 7728de23f2..9939a24b4d 100644
--- a/meson.build
+++ b/meson.build
@@ -41,7 +41,7 @@ gudev_req = '>= 232'
 
 # wayland version requirements
 wayland_server_req = '>= 1.21'
-wayland_protocols_req = '>= 1.25'
+wayland_protocols_req = '>= 1.26'
 
 # native backend version requirements
 libinput_req = '>= 1.19.0'