⬆️ Update dependency com.puppycrawl.tools:checkstyle to v10.21.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.puppycrawl.tools:checkstyle (source)	10.20.2 -> 10.21.0

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Release Notes

checkstyle/checkstyle (com.puppycrawl.tools:checkstyle)

v10.21.0

Compare Source

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Configuration

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🚦 Automerge: Enabled.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.43%. Comparing base (ac5602c) to head (4595467).
Report is 16 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #265   +/-   ##
=========================================
  Coverage     75.43%   75.43%           
- Complexity      278      279    +1     
=========================================
  Files            44       44           
  Lines          1038     1038           
  Branches         97       97           
=========================================
  Hits            783      783           
  Misses          244      244           
  Partials         11       11           

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