Add gi-dbusmenu, gi-dbusmenugtk3, gi-gdkx11 and gi-xlib

@garetxe has volunteered to be the maintainer:

See https://github.com/haskell-gi/haskell-gi/issues/235

build-constraints.yaml

@@ -2917,14 +2917,18 @@ packages:
         - haskell-gi-base
         - gi-atk
         - gi-cairo
-        - gi-glib
+        - gi-dbusmenu
+        - gi-dbusmenugtk3
+        - gi-gdkx11
         - gi-gio
+        - gi-glib
         - gi-gobject
         - gi-gtk
         - gi-gtk-hs
         - gi-gtksource
         - gi-javascriptcore
         - gi-vte
+        - gi-xlib
         # - gi-webkit2 # GHC 8.4
 
     "Brandon Simmons <brandon.m.simmons@gmail.com> @jberryman":

debian-bootstrap.sh

@@ -42,6 +42,7 @@ apt-get install -y \
     gnupg \
     gradle \
     hscolour \
+    libdbusmenu-gtk3-dev \
     libadns1-dev \
     libaio1 \
     libalut-dev \
@@ -92,8 +93,8 @@ apt-get install -y \
     libmysqlclient-dev \
     libncurses5-dev \
     libnfc-dev \
-    liboath-dev \
     libnotify-dev \
+    liboath-dev \
     libopenal-dev \
     libopenmpi-dev \
     libpango1.0-dev \