Add checkstyle rules that we are already following

[optionsome]

Summary

Adds checkstyle rules that are possible to break (i.e. they are not handled by prettier) that we are not currently breaking. Therefore, this pr contains no code changes. This doesn't really slow down checkstyle processing.

Issue

Relates to #7068

Unit tests

Not needed

Documentation

No

Changelog

Skipped

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.14%. Comparing base (f179e2b) to head (c5de731).
⚠️ Report is 16 commits behind head on dev-2.x.

Additional details and impacted files

@@              Coverage Diff              @@
##             dev-2.x    #7244      +/-   ##
=============================================
- Coverage      72.15%   72.14%   -0.01%     
- Complexity     21088    21090       +2     
=============================================
  Files           2297     2297              
  Lines          85223    85223              
  Branches        8487     8487              
=============================================
- Hits           61490    61485       -5     
- Misses         20753    20763      +10     
+ Partials        2980     2975       -5     

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[t2gran]

What is the increase in the build time when adding this?

[optionsome]

What is the increase in the build time when adding this?

There really isn't any (at least when you are not running openrewrite).