GSSDP 1.5.1, GUPnP 1.5.1

[Jens Georg <mail jensge org>]

New development releases for GSSDP and GUPnP.

Main features: GUPnP does not crash anymore when trying to get 
parameters from an action.

Known issues: The error handling in ServiceProxy.call_action() is 
broken.

They are available for download at
https://download.gnome.org/sources/gssdp/1.5/gssdp-1.5.1.tar.xz and 
https://download.gnome.org/sources/gupnp/1.5/gupnp-1.5.1.tar.xz

Changes in GSSDP since 1.5.0:
=============================

 - Clean-up debug output
 - Allow interface indexes up to MAXINT

Bugs fixed in this release:
 - Hopefully this should fix
https://gitlab.gnome.org/GNOME/gupnp-igd/-/jobs/2021422

All contributors to this release:
 - Jens Georg <mail jensge org>
 - Olivier Crête <olivier crete collabora com>

Changes in GUPnP since 1.5.0:
=============================
 - Minor doc fixes
 - Remove left-overs from WhiteList renaming
 - Make tests a little friendlier if there is no ipv6
 - Fix a couple of issues from scan-build

DeviceInfo:
 - Make DeviceInfo:document accessible
 - Offer convenience function DeviceInfo:get_icon_async to combine
   icon lookup and icon download

ServiceAction:
 - Potential fix for running g_clear_pointer on an uninitialized value
 - Fix getting parameters from action

ServiceInfo:
 - Do not free an error that was propagated
 - Fix introspection on IPv6 devices

Service:
 - Fix critical if Soup error other than G_IO_ERROR_CANCELLED occured

All contributors to this release:
 - Jens Georg <mail jensge org>