Feature: support CJK Unified Ideographs Extension H for Unicode 15
In Unicode Version 15.0, new CJK Unified Udeographs Extension H is released.
Link: https://unicode.org/versions/Unicode15.0.0/#Character_Additions
Block Name: CJK Unified Ideographs Extension H
Range: 31350..323AF
However, In the Characters app, It only supports CJK Unified Ideographs to CJK Unified Ideographs Extension G before Unicode 15.
Ref. CJK Unified Ideographs Extension H https://www.unicode.org/charts/PDF/Unicode-15.0/U150-31350.pdf
Edited by DaeHyun Sung