chore(dev-deps): update vitest monorepo to v2.1.9

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@vitest/coverage-v8 (source)	2.1.8 -> 2.1.9
vitest (source)	2.1.8 -> 2.1.9

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Release Notes

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

v2.1.9

Compare Source

This release includes security patches for:

• Browser mode serves arbitrary files | CVE-2025-24963
• Remote Code Execution when accessing a malicious website while Vitest API server is listening | CVE-2025-24964

   🐞 Bug Fixes

• backport https://github.com/vitest-dev/vitest/issues/7317 to v2 - by @​hi-ogawa in https://github.com/vitest-dev/vitest/pull/7318
• (backport #​7340 to v2) restrict served files from /__screenshot-error - by @​hi-ogawa in https://github.com/vitest-dev/vitest/pull/7343

    View changes on GitHub

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