Regenerate engine/chinese_variants.py for Unihan_Variants.txt from “2021-12-01 Unicode 15.0.0 draft”
Regenerate engine/chinese_variants.py for Unihan_Variants.txt from “2021-12-01 Unicode 15.0.0 draft”

- Because of the new Unihan_Variants.txt, the following 37 characters
  are added to the VARIANTS_TABLE in chinese_variants.py:
  u'䓨': 1, u'沄': 1, u'潕': 2, u'澐': 2, u'罃': 2, u'鮗': 2, u'龻': 2,
  u'鿟': 1, u'鿠': 2, u'鿰': 1, u'鿲': 1, u'鿳': 2, u'鿴': 1, u'鿵': 1,
  u'鿶': 1, u'鿷': 1, u'鿸': 1, u'鿹': 1, u'鿺': 1, u'𣲘': 1, u'𤇾': 2,
  u'𤪤': 2, u'𦥯': 2, u'𧰎': 2, u'𩷓': 2, u'𩷕': 2, u'𩹎': 2, u'𪄳': 2,
  u'𪛞': 1, u'𫇦': 1, u'𬉧': 2, u'𬵨': 2, u'𰀡': 1, u'𰀢': 1, u'𰁜': 1,
  u'𰃮': 1, u'𰯲': 2,

  1 = simplified Chinese
  2 = traditional Chinese
  3 = used both in simplified *and* traditional Chinese

mike-fabian/ibus-table,kaio/ibus-table,mike-fabian/ibus-table,kaio/ibus-table