Log Message:
Update at-spi2-core to 2.14.0

What's new in at-spi2-core 2.13.92:

* Fix alignment checks when cross-compiling (bgo#736653).

What's new in at-spi2-core 2.13.90:

* Fix crash when testing interfaces with collections (bgo#734805).

What's new in at-spi2-core 2.13.4:

* Ensure that we register with the session manager only once (bgo#728934).

* Fix ucs2keysym prototype (bgo#730897).

* introspection: add some missing Returns: (nullable) annotations

* Fix various memory leaks.

What's new in at-spi2-core 2.13.1:

* Add GError setter in atspi_accessible_get_process_id function

* registryd: Wait for gnome-session before registering if it is not
  running yet (bgo#728934).