Update EmojiChooser for Unicode 11
The emoji chooser's emoji lists were last updated in 2017 so it doesn't include the Emoji and Unicode 11 updates from 2018.
Please update the emoji lists.
Some of the new emoji combination sequences require the Unicode/Emoji commits included in pango 1.43.0 released today.
This might force us to either depend on pango 1.43 or backport those commits to a new 1.42 release (and then depend on that version).
An example new sequence is the red hair man which shows as a single character where Unicode 11 is fully supported: