Prepare for release: v1.2.1

[Nusnus]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 23.80%. Comparing base (0c246f7) to head (966c15f).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #461   +/-   ##
=======================================
  Coverage   23.80%   23.80%           
=======================================
  Files          41       41           
  Lines        1294     1294           
  Branches       94       94           
=======================================
  Hits          308      308           
  Misses        959      959           
  Partials       27       27           

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