chore(deps): update plugin org.jetbrains.kotlin.jvm to v2.0.21

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.kotlin.jvm	2.0.10 -> 2.0.21

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.82%. Comparing base (3361bbf) to head (1ca3d2e).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #480   +/-   ##
=========================================
  Coverage     74.82%   74.82%           
  Complexity      361      361           
=========================================
  Files            69       69           
  Lines          1287     1287           
  Branches        142      142           
=========================================
  Hits            963      963           
  Misses          187      187           
  Partials        137      137           

Flag	Coverage Δ
unittests	74.82% <ø> (ø)

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