Release 2.2.1

[github-actions]

This automated PR updates all the necessary files for 2.2.1 release.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.12%. Comparing base (c0a6ed2) to head (9b8cac9).
⚠️ Report is 1 commits behind head on release-2.2.

Additional details and impacted files

@@               Coverage Diff               @@
##           release-2.2    #4274      +/-   ##
===============================================
- Coverage        86.15%   86.12%   -0.04%     
===============================================
  Files              131      131              
  Lines            14316    14316              
  Branches            74       74              
===============================================
- Hits             12334    12329       -5     
- Misses            1779     1782       +3     
- Partials           203      205       +2     

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