[gnome-initial-setup/wjt/use-gnome-desktop-4: 2/3] ci: Update image to Rawhide, add gtk4

[Will Thompson <wjt src gnome org>]

commit 93c0e55a322088c690e50f1722510a5517055e20
Author: Will Thompson <will willthompson co uk>
Date:   Thu Dec 16 21:00:52 2021 +0000

    ci: Update image to Rawhide, add gtk4
    
    This is (currently) just for the benefit of the gnome-desktop-4
    subproject.

 .gitlab-ci/fedora.Dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci/fedora.Dockerfile b/.gitlab-ci/fedora.Dockerfile
index f337b4e7..1af2ea26 100644
--- a/.gitlab-ci/fedora.Dockerfile
+++ b/.gitlab-ci/fedora.Dockerfile
@@ -1,4 +1,4 @@
-FROM registry.fedoraproject.org/fedora:35
+FROM registry.fedoraproject.org/fedora:rawhide
 
 RUN dnf -y install \
     ccache \
@@ -30,6 +30,7 @@ RUN dnf -y install \
     "pkgconfig(goa-backend-1.0)" \
     "pkgconfig(gstreamer-1.0)" \
     "pkgconfig(gtk+-3.0)" \
+    "pkgconfig(gtk4)" \
     "pkgconfig(gweather-3.0)" \
     "pkgconfig(libgeoclue-2.0)" \
     "pkgconfig(libnm)" \