build(deps-dev): Bump @vitest/coverage-v8 (#17)

Bumps [@vitest/coverage-v8](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8) from 1.6.1 to 4.0.18.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.18/packages/coverage-v8)

---
updated-dependencies:
- dependency-name: "@vitest/coverage-v8"
  dependency-version: 4.0.18
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]

packages/agent-os/extensions/mcp-server/package.json

@@ -50,7 +50,7 @@
     "@types/uuid": "^9.0.0",
     "typescript": "^5.3.0",
     "vitest": "^1.2.0",
-    "@vitest/coverage-v8": "^1.2.0",
+    "@vitest/coverage-v8": "^4.0.18",
     "eslint": "^8.56.0",
     "@typescript-eslint/eslint-plugin": "^8.56.1",
     "@typescript-eslint/parser": "^6.19.0"