tests: Fix required version in GI test

Author: arteymix

tests/gi-test.py

@@ -1,5 +1,5 @@
 import gi
-gi.require_version('Mirbooking', '2.3')
+gi.require_version('Mirbooking', '2.4')
 from gi.repository import GLib, Mirbooking, Gio
 import unittest
 from os.path import dirname, join