[vala] Created tag 0.48.0

[Rico Tzschichholz <ricotz src gnome org>]

The signed tag '0.48.0' was created.

Tagger: Rico Tzschichholz <ricotz ubuntu com>
Date: 1583245988 +0100

    0.48.0

Changes since the last tag '0.47.92':

Princeton Ferro (5):
      Add missing CodeContext.pop() calls
      vala: Fix circular reference in Property
      vala: Fix circular reference in EnumValueType
      girparser: Delay adding of "GLib.Object" prerequisite to interfaces
      vala: Prevent possible stack-overflow in Class.is_subtype_of()

Rico Tzschichholz (9):
      vapi: Update GIR-based bindings
      vala: Report an internal error for unavailable context and bail
      codegen: Add more "low-level" includes of "glib.h"
      codegen: g_clear_error() sets pointer target to NULL already
      codegen: Don't emit error-variable of CatchClause if not used
      vala: Don't create temp-variable for array concatenation expression
      girparser: Decrease return_array_length_idx for transformed function
      manual: Update from wiki.gnome.org
      Release 0.48.0