feat: improve key type to support React.Key

[madocto]

ref: ant-design/ant-design#47837

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.58%. Comparing base (d21b6bb) to head (e7abb7e). Report is 5 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #692   +/-   ##
=======================================
  Coverage   99.58%   99.58%           
=======================================
  Files          27       27           
  Lines         721      721           
  Branches      196      198    +2     
=======================================
  Hits          718      718           
  Misses          3        3           

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