Use depth=1 for cloning sub-projects

We don't really need the full history and branches when building
sub-projects.

This should shave some bandwidth and time in our CI pipeline as well.

subprojects/gdk-pixbuf.wrap

@@ -3,3 +3,4 @@ directory=gdk-pixbuf
 url=https://gitlab.gnome.org/GNOME/gdk-pixbuf.git
 push-url=ssh://git@gitlab.gnome.org:GNOME/gdk-pixbuf.git
 revision=master
+depth=1

subprojects/glib.wrap

@@ -3,3 +3,4 @@ directory=glib
 url=https://gitlab.gnome.org/GNOME/glib.git
 push-url=ssh://git@gitlab.gnome.org:GNOME/glib.git
 revision=master
+depth=1

subprojects/graphene.wrap

@@ -2,3 +2,4 @@
 directory=graphene
 url=https://github.com/ebassi/graphene.git
 revision=master
+depth=1

subprojects/gtk-doc.wrap

@@ -2,3 +2,4 @@
 directory=gtk-doc
 url=https://gitlab.gnome.org/GNOME/gtk-doc.git
 revision=gtk-doc-for-gtk4
+depth=1

subprojects/libcloudproviders.wrap

@@ -2,3 +2,4 @@
 directory=libcloudproviders
 url=https://gitlab.gnome.org/World/libcloudproviders.git
 revision=master
+depth=1

subprojects/libepoxy.wrap

@@ -2,3 +2,4 @@
 directory=libepoxy
 url=https://github.com/anholt/libepoxy.git
 revision=master
+depth=1

subprojects/libsass.wrap

@@ -2,3 +2,4 @@
 directory=libsass
 url=https://github.com/lazka/libsass.git
 revision=meson
+depth=1

subprojects/sassc.wrap

@@ -2,3 +2,4 @@
 directory=sassc
 url=https://github.com/lazka/sassc.git
 revision=meson
+depth=1

subprojects/wayland-protocols.wrap

@@ -2,3 +2,4 @@
 directory=wayland-protocols
 url=https://gitlab.freedesktop.org/jadahl/wayland-protocols.git
 revision=wip/meson-meson-0.53
+depth=1