chore(deps): update plugin com.diffplug.spotless to v7

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.diffplug.spotless	6.25.0 -> 7.0.0

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Configuration

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[github-actions]

SpotBugs

Category	Base	New
Bad practice	35	35
Correctness	34	34
Dodgy code	26	26
Internationalization	6	6
Malicious code vulnerability	49	49
Multithreaded correctness	3	3
Performance	8	8
Total	161	161

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 49.21%. Comparing base (649bbd7) to head (dfff126).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #1618   +/-   ##
=========================================
  Coverage     49.21%   49.21%           
  Complexity     1032     1032           
=========================================
  Files           215      215           
  Lines          8087     8087           
  Branches       1038     1038           
=========================================
  Hits           3980     3980           
  Misses         3537     3537           
  Partials        570      570