Update spotless packages to v8.7.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
com.diffplug.spotless:spotless-plugin-gradle	8.6.0 → 8.7.0
com.diffplug.spotless	8.6.0 → 8.7.0

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.51%. Comparing base (fca9a3d) to head (aefab43).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #8522   +/-   ##
=========================================
  Coverage     78.51%   78.51%           
- Complexity     8601     8602    +1     
=========================================
  Files          1013     1013           
  Lines         29150    29150           
  Branches       3632     3632           
=========================================
+ Hits          22887    22888    +1     
  Misses         5420     5420           
+ Partials        843      842    -1     

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