gupnp: updated to 1.6.5

1.6.5 (stable)
- Fix build with meson 1.2

1.6.4 (stable)
==============
- Keep a weak reference to proxy in action
- Add API to provide HTTP credentials for simple authentication
- Remove xmlRecoverMemory usage

Bugs fixed in this release:
- Fixes: https://gitlab.gnome.org/GNOME/gupnp/-/issues/85
- https://gitlab.gnome.org/GNOME/gupnp/issues/86

1.6.3 (stable)
==============
- Fix handling of deprecated and tentative v6 addresses
- Bump GSSDP minimjal version to 1.6.2

Bugs fixed in this release:
- https://gitlab.gnome.org/GNOME/gupnp/issues/82
- https://gitlab.gnome.org/GNOME/gupnp/issues/83

1.6.2 (stable)
==============
- Add test for issue 81

Bugs fixed in this release:
- https://gitlab.gnome.org/GNOME/gupnp/issues/81

1.6.1 (stable)
==============
- ControlPoint: Fix error handling if description download fails
- Use proper method for detecting IFA_FLAGS availability
- ContextManager: Do not leak filtered contexts
- Network ContextManager: Do not leak list parts of context lists
- Introspection: Properly chain up to parent class
- ContextManager: Fix freeing unavailable contexts
- ControlPoint: Do not leak cancellable
- Service: Fix crash if subscription callback is points unreachable host

Bugs fixed in this release:
- https://gitlab.gnome.org/GNOME/gupnp/issues/80
- https://gitlab.gnome.org/GNOME/gupnp/issues/78

1.6.0 (stable)
==============
- Re-release of 1.5.4, no functional change

(adam)