Log Message:
Update at-spi2-core to 2.35.1

What's new in at-spi2-core 2.35.1:

* Fix source reproducibility (!25).

* Avoid depending on Meson 0.50 (#20).

* Add ATSPI_ROLE_MARK and ATSPI_ROLE_SUGGESTION (!27).

What's new in at-spi2-core 2.34.0:

* Fix a use after free when freeing an event.
* Clean up handling of the X11 property specifying the bus address (#18).
* Update doap.

What's new in at-spi2-core 2.33.92:

* Now requires meson 0.50.0.
* License is now LGPL-2.1+.
* Meson: only link to libdl when it is necessary.
* Update installation instructions.
* Clarify atspi_editable_text_insert_text documentation.
* Do not warn on no reply from pending get_items call.
* Eliminate some superfluous runtime warnings.

What's new in at-spi2-core 2.33.90:

* Refactor the API for the screen reader to notify listeners of its status.

* Add a sender to the AtspiEvent struct.

* Add missing atspi_application_get_type prototype.

* Support mutter remote desktop interface for synthesizing keyboard/mouse
  events (likely still needs work).