Bump @vitest/coverage-v8 from 4.0.8 to 4.0.9

Bumps [@vitest/coverage-v8](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8) from 4.0.8 to 4.0.9.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.9/packages/coverage-v8)

---
updated-dependencies:
- dependency-name: "@vitest/coverage-v8"
  dependency-version: 4.0.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -43,7 +43,7 @@
     "@eslint/json": "^0.14.0",
     "@eslint/markdown": "^7.5.1",
     "@types/node": "^24.10.0",
-    "@vitest/coverage-v8": "^4.0.8",
+    "@vitest/coverage-v8": "^4.0.9",
     "@vitest/eslint-plugin": "^1.4.2",
     "eslint": "^9.39.1",
     "eslint-config-prettier": "^10.1.8",