Vala 0.54.2
===========
 * Various improvements and bug fixes:
  - vala:
    + Multi-dimensional params-array not allowed [#1230]
    + Accept NullType as generic type argument
    + Set source references of created DataType instances in OCE

 * Bindings:
  - gio-2.0: Update to 2.71.0~a0d2efdc
  - glib-2.0: Update 2.70 symbols
  - gtk4: Update to 4.5.0~da5efea6

