chore(deps): update vitest monorepo to v2.1.6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@vitest/coverage-v8 (source)	2.1.5 -> 2.1.6
vitest (source)	2.1.5 -> 2.1.6

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Release Notes

vitest-dev/vitest (@​vitest/coverage-v8)

### [`v2.1.6`](https://redirect.github.com/vitest-dev/vitest/releases/tag/v2.1.6) [Compare Source](https://redirect.github.com/vitest-dev/vitest/compare/v2.1.5...v2.1.6) #### 🚀 Features - Support VIte 6 #####     [View changes on GitHub](https://redirect.github.com/vitest-dev/vitest/compare/v2.1.5...v2.1.6)

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Configuration

📅 Schedule: Branch creation - "before 3am" in timezone Asia/Tokyo, Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

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

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

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[codecov[bot]]

Codecov Report

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

Project coverage is 49.84%. Comparing base (1ce65b9) to head (050f561). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #858 +/- ## ========================================== + Coverage 49.76% 49.84% +0.08% ========================================== Files 172 172 Lines 15888 16193 +305 Branches 1246 1246 ========================================== + Hits 7906 8072 +166 - Misses 7982 8121 +139 ```

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