Log Message:
unicode-character-database: update to 14.0.0.

Upstream changes:

14.0.0:
 http://www.unicode.org/versions/Unicode14.0.0/

Unicode 14.0 adds 838 characters, for a total of 144,697 characters.
These additions include 5 new scripts, for a total of 159 scripts,
as well as 37 new emoji characters.