Update dependency gradle to v8.9

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
gradle (source)	minor	8.8 -> 8.9

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Release Notes

gradle/gradle (gradle)

### [`v8.9`](https://togithub.com/gradle/gradle/compare/v8.8.0...v8.9.0) [Compare Source](https://togithub.com/gradle/gradle/compare/v8.8.0...v8.9.0)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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This PR has been generated by Mend Renovate. View repository job log here.

[github-actions[bot]]

Test results JDK 21

99 tests   99 :white_check_mark:  13s :stopwatch: 16 suites   0 :zzz: 16 files     0 :x:

Results for commit b670f6c1.

[github-actions[bot]]

Test results JDK x

99 tests   99 :white_check_mark:  11s :stopwatch: 16 suites   0 :zzz: 16 files     0 :x:

Results for commit b670f6c1.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 91.35%. Comparing base (7792b9d) to head (b670f6c).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #184 +/- ## ======================================= Coverage 91.35% 91.35% ======================================= Files 5 5 Lines 162 162 Branches 24 24 ======================================= Hits 148 148 Misses 5 5 Partials 9 9 ```