build: Depend on glib 2.75

This allows us to use g_clear_fd().

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2806>

.gitlab-ci.yml

@@ -18,7 +18,7 @@ variables:
 .mutter.fedora@common:
   variables:
     FDO_DISTRIBUTION_VERSION: 37
-    BASE_TAG: '2022-12-17.0'
+    BASE_TAG: '2022-12-22.0'
     FDO_DISTRIBUTION_PACKAGES:
       asciidoc
       clang
@@ -51,6 +51,10 @@ variables:
         https://gitlab.gnome.org/jadahl/catch.git \
         main . 29ad36e2b1d28ac9d8b2bc44af46296cb1db5d66 &&
 
+      ./.gitlab-ci/install-meson-project.sh \
+        https://gitlab.gnome.org/GNOME/glib.git \
+        2.75.1 . &&
+
       pip install git+https://github.com/martinpitt/python-dbusmock.git@743da675c37bfc469ec385b88c3b4ad4838cfa48 &&
 
       rpm -e --nodeps gnome-bluetooth-libs-devel \

meson.build

@@ -16,7 +16,7 @@ mutter_builddir = meson.current_build_dir()
 lcms2_req = '>= 2.6'
 colord_req = '>= 1.4.5'
 fribidi_req = '>= 1.0.0'
-glib_req = '>= 2.69.0'
+glib_req = '>= 2.75.1'
 gi_req = '>= 0.9.5'
 graphene_req = '>= 1.10.2'
 gtk3_req = '>= 3.19.8'