Update vitest to v4.1.5

[dependencyupdates]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@vitest/coverage-v8 (source)	4.1.4 → 4.1.5
vitest (source)	4.1.4 → 4.1.5

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Release Notes

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

v4.1.5

Compare Source

   🚀 Experimental Features

• coverage: Istanbul to support instrumenter option  -  by @​BartWaardenburg and @​AriPerkkio in #​10119 (0e0ff)

   🐞 Bug Fixes

• --project negation excludes browser instances  -  by @​felamaslen in #​10131 (9423d)
• Project color label on html reporter  -  by @​hi-ogawa in #​10142 (596f7)
• Fix vi.defineHelper called as object method  -  by @​hi-ogawa in #​10163 (122c2)
• Alias agent reporter to minimal  -  by @​sheremet-va in #​10157 (663b9)
• Respect diff config options in soft assertions  -  by @​Copilot, sheremet-va and @​sheremet-va in #​8696 (9787d)
• Respect diff config options in soft assertions "  -  by @​sheremet-va in #​8696 (7dc6d)
• ast-collect: Recognize _vi_import prefix in static test discovery  -  by @​Yejneshwar in #​10129 (32546)
• coverage: Descriptive error message when reports directory is removed during test run  -  by @​DaveT1991 and @​AriPerkkio in #​10117 (14133)
• snapshot: Increase default snapshot max output length  -  by @​hi-ogawa and Codex in #​10150 (21e66)
• ui: Fix jsx/tsx syntax highlight  -  by @​hi-ogawa in #​10152 (f1b1f)
• web-worker: Support MessagePort objects referenced inside postMessage data  -  by @​whitphx and Claude Opus 4.6 (1M context) in #​9927 and #​10124 (7ad7d)
• api: Make test-specification options writable  -  by @​sheremet-va in #​10154 (6abd5)

    View changes on GitHub

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