[gobject-introspection] Created tag 1.56.1

[Rico Tzschichholz <ricotz src gnome org>]

The signed tag '1.56.1' was created.

Tagger: Rico Tzschichholz <ricotz ubuntu com>
Date: 1523254349 +0200

    Tag release 1.56.1

Changes since the last tag '1.56.0':

Rico Tzschichholz (2):
      gir: Update annotations from glib 2.56.1
      Release 1.56.1

Tom Schoonjans (1):
      giscanner: fix --no-libtool on macOS