Remove shipkit workaround for generateChangelog

[TWiStErRob]

• Follow-up on Bump org.shipkit:shipkit-changelog from 1.2.0 to 2.0.1 #3245
  Looks like the TODO wasn't big enough at https://github.com/mockito/mockito/pull/3245/files#diff-49a96e7eea8a94af862798a45174e6ac43eb4f8b4bd40759b5da63ba31ec3ef7R13
• Revert workaround for "Execution optimizations have been disabled" Warning on Gradle >= 7 shipkit/shipkit-changelog#103
• Reverts part of Gradle 8.2: work around fix for release publishing #3053

Testing

Same as #3053

Checklist

• Read the contributing guide
• PR should be motivated, i.e. what does it fix, why, and if relevant how
• If possible / relevant include an example in the description, that could help all readers
  including project members to get a better picture of the change
• Avoid other runtime dependencies
• Meaningful commit history ; intention is important please rebase your commit history so that each
  commit is meaningful and help the people that will explore a change in 2 years
• The pull request follows coding style
• Mention Fixes #<issue number> in the description if relevant
• At least one commit should mention Fixes #<issue number> if relevant

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (557a452) 85.33% compared to head (ee7dab2) 85.33%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #3250   +/-   ##
=========================================
  Coverage     85.33%   85.33%           
  Complexity     2923     2923           
=========================================
  Files           336      336           
  Lines          8906     8906           
  Branches       1108     1108           
=========================================
  Hits           7600     7600           
  Misses         1013     1013           
  Partials        293      293           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.