chore(deps): update vitest monorepo to v4.0.16

Author: renovate[bot]

package-lock.json

@@ -37,15 +37,15 @@
     "test": "npm run lint && vitest run --coverage"
   },
   "devDependencies": {
-    "@vitest/coverage-v8": "4.0.15",
+    "@vitest/coverage-v8": "4.0.16",
     "eslint": "9.39.2",
     "eslint-config-scratch": "12.0.42",
     "prettier": "3.7.4",
     "rimraf": "6.1.2",
     "typescript": "5.9.3",
     "unplugin-dts": "1.0.0-beta.6",
     "vite": "npm:[email protected]",
-    "vitest": "4.0.15"
+    "vitest": "4.0.16"
   },
   "overrides": {
     "vite": "npm:[email protected]"