Log Message:
vala: update to 0.44.3.

Vala 0.44.3
===========
 * Regression and bug fixes:
  - codegen: Always assign original variable when consuming instance to destroy
    [#781]
  - build: Require --with-cgraph configure flag when cross-compiling [#775]

 * Bindings:
  - gdk-3.0,gtk+-3.0: Update from 3.24.7+
  - gtk4: Update to 3.94.0+2594593d
  - gstreamer: Update from 1.15.2+ git master
  - pango: Fix StringBuilder parameter of scan_word()