Update dependency gradle to v8.1

[renovate]

This PR contains the following updates:

Package	Update	Change
gradle (source)	minor	8.0.2 -> 8.1

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Configuration

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[codecov-commenter]

Codecov Report

Merging #137 (2f0a2c9) into main (9b39f0b) will not change coverage.
The diff coverage is n/a.

❗ Current head 2f0a2c9 differs from pull request most recent head a2e2b7f. Consider uploading reports for the commit a2e2b7f to get more accurate results

@@          Coverage Diff          @@
##            main    #137   +/-   ##
=====================================
  Coverage   76.3%   76.3%           
=====================================
  Files         45      45           
  Lines       1346    1346           
  Branches     386     386           
=====================================
  Hits        1028    1028           
  Misses       118     118           
  Partials     200     200