Adapter: OneBot V12

[yanyongyu]

resolve #1026

[codecov]

Codecov Report

Merging #1027 (cc94088) into master (3238a82) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1027   +/-   ##
=======================================
  Coverage   77.96%   77.96%           
=======================================
  Files          42       42           
  Lines        3163     3163           
=======================================
  Hits         2466     2466           
  Misses        697      697           

Flag	Coverage Δ
unittests	77.96% <ø> (ø)

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[github-actions]

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