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

[renovate]

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

Compare Source

🚀 Features

• Support VIte 6

    View changes on GitHub

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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]

Codecov Report

All modified and coverable lines are covered by tests ✅

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

Additional details and impacted files

@@            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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