debian: Allow to fetch meson wraps

This is needed since we removed the git submodule and turned
libcall-ui into a meson subproject instead.

Signed-off-by: Evangelos Ribeiro Tzaras <devrtz@fortysixandtwo.eu>
Part-of: <https://gitlab.gnome.org/GNOME/calls/-/merge_requests/806>

debian/rules

@@ -2,6 +2,8 @@
 
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
+CONFIGURE_OPTS=--wrap-mode=default
+
 ifeq ($(filter nodoc,$(DEB_BUILD_PROFILES)),)
   CONFIGURE_OPTS+=-Dgtk_doc=true
 else