libnotify-0.8.9

[Bruce Dubbs]

New point version.

[Joe Locash]

New in 0.8.9
============

This is a maintenance release, mostly with bug fixes around notify-send
behaviors and portal notifications, together with more tests coverage for
hints edge cases, and some library cleanups.

* notify-send: Start action ID from 1 as docs states [Marco]
* notification: Do not send the default action as a button in portal
  notifications [Cajus]
* notify-send: Fix the activation token FD validity check [Marco]
* notify-send: Don't write the notification ID and action to stdin [Marco]
* notify: Free the application name and icon on uninit [Cajus]
* notification: Read the icon contents using g_file_load_contents() [Cajus]
* notification: Use g_clear_handle_id() for the portal timeout [Cajus]
* notify-send: Don't cache the hint conversion error [Cajus]
* tests/notify-send: Add tests for the default action button [Cajus]
* tests/notify-send: Verify behavior on invalid hints [Marco]
* launch-context: Don't omit parameter names in vfunc implementation [Logan]
* ci: Do not involve MESON into non-meson env variables [Marco]
* ci: Actually use the meson test multiplier value [Marco]

* Bugs fixed:
  - #66 portal: "default" action adds additional button [Cajus]
  - #67 Omitted parameter names in a vfunc implementation [Logan]

Fixed at c63e81651b.