Log Message:
Update at-spi2-core to 2.33.2

Unstable branch chosen for:
* Add ATSPI_ROLE_CONTENT_DELETION and ATSPI_ROLE_CONTENT_INSERTION.

Many other bug fixes and translation updates including:
* Add atspi_accessible_get_accessible_id.
* Add atspi_text_notify_reading_position.
* Fix a compiler warning on BSD.
* Fix atspi_table_cell_get_(row_column)_header_cells.
* Add ScrollTo and ScrollToPoint component interfaces.
* Fix a potential buffer overflow in at-spi-bus-launcher (bgo#791124).

Full list at:
https://gitlab.gnome.org/GNOME/at-spi2-core/blob/AT_SPI2_CORE_2_33_2/NEWS