Use glib's gi-docgen documentation

The commit chosen is just the current HEAD, there is no release with the
port to gi-docgen.

.gitlab-ci.yml

@@ -448,8 +448,8 @@ reference:
             --force-fallback-for=gdk-pixbuf,pango
             -Dintrospection=enabled
             -Ddocumentation=true
-            -Dgtk_doc=true
             -Dgdk-pixbuf:gtk_doc=true
+            -Dglib:documentation=true
             -Dpango:gtk_doc=true
             -Dbuild-demos=false
             -Dbuild-examples=false

make-release.sh

@@ -13,7 +13,7 @@ fi
 meson subprojects update gi-docgen
 
 # make the release tarball
-meson setup -Dintrospection=enabled -Dgtk_doc=true --force-fallback-for gi-docgen ${release_build_dir} || exit
+meson setup -Dintrospection=enabled -Ddocumentation=true --force-fallback-for gi-docgen ${release_build_dir} || exit
 meson compile -C${release_build_dir} || exit
 meson dist -C${release_build_dir} --include-subprojects || exit
 

subprojects/glib.wrap

@@ -2,7 +2,7 @@
 directory = glib
 url = https://gitlab.gnome.org/GNOME/glib.git
 push-url = ssh://git@ssh.gitlab.gnome.org:GNOME/glib.git
-revision = 2.76.0
+revision = e7eef648e187b117bb03937c30261a413fddd3e6
 depth = 1
 
 [provide]