chore(deps): update vitest monorepo to v4

Author: renovate[bot]

package.json

@@ -59,8 +59,8 @@
     "@changesets/write": "^0.4.0",
     "@eslint/eslintrc": "^3.3.1",
     "@eslint/js": "^9.27.0",
-    "@vitest/coverage-v8": "^3.1.4",
-    "@vitest/ui": "3.2.1",
+    "@vitest/coverage-v8": "^4.0.0",
+    "@vitest/ui": "4.0.6",
     "ajv": "^8.17.1",
     "esbuild": "^0.25.5",
     "eslint": "^9.27.0",
@@ -75,7 +75,7 @@
     "prettier": "^3.5.3",
     "svg-term-cli": "^2.1.1",
     "tsd": "^0.32.0",
-    "vitest": "^3.1.4"
+    "vitest": "^4.0.0"
   },
   "peerDependencies": {
     "ajv": "4.11.8 - 8"