build(deps-dev): bump @vitest/coverage-v8 from 3.2.4 to 4.0.3

Bumps [@vitest/coverage-v8](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8) from 3.2.4 to 4.0.3.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.3/packages/coverage-v8)

---
updated-dependencies:
- dependency-name: "@vitest/coverage-v8"
  dependency-version: 4.0.3
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -71,7 +71,7 @@
     "@types/node": "^22.17.2",
     "@types/which": "^3.0.4",
     "@vercel/ncc": "^0.38.4",
-    "@vitest/coverage-v8": "^3.1.3",
+    "@vitest/coverage-v8": "^4.0.3",
     "js-yaml": "^4.1.0",
     "make-coverage-badge": "^1.2.0",
     "openai": "^6.5.0",