Migrate to gcr-4 and gck-2

The older versions aren't maintained anymore. Luckily, this is quite a
minimal change, since we only use a very small subset of those APIs.

.gitlab-ci.yml

@@ -56,7 +56,7 @@ build.container.fedora@x86_64:
       desktop-file-utils
       enchant2-devel
       folks-devel
-      gcr3-devel
+      gcr-devel
       git
       glib-networking
       glib2-devel
@@ -94,7 +94,7 @@ build.container.fedora@x86_64:
     # release branch name to ensure that a new image will
     # be created, tailored for the stable branch.
     BRANCH_NAME: 'main'
-    CONTAINER_TAG: '2025-12-11.0'
+    CONTAINER_TAG: '2025-12-12.0'
     FEDORA_VERSION: latest
     # Derive FDO variables from this automatically.
     # DO NOT edit, instead change the variables above

meson.build

@@ -72,8 +72,8 @@ webkit2gtk = dependency('webkit2gtk-4.1', version: '>=' + target_webkit)
 cairo = dependency('cairo')
 enchant = dependency('enchant-2', version: '>=2.1')
 folks = dependency('folks', version: '>=0.11')
-gck = dependency('gck-1')
-gcr = dependency('gcr-3', version: '>= 3.10.1')
+gck = dependency('gck-2')
+gcr = dependency('gcr-4')
 gdk = dependency('gdk-3.0', version: '>=' + target_gtk)
 gee = dependency('gee-0.8', version: '>= 0.8.5')
 gio = dependency('gio-2.0', version: '>=' + target_glib)