chore(deps): update vitest monorepo to v2

Author: renovate[bot]

package.json

@@ -16,7 +16,7 @@
     "@unocss/core": "0.63.6",
     "@unocss/preset-mini": "0.63.6",
     "@unocss/preset-wind": "0.63.6",
-    "@vitest/coverage-v8": "1.6.0",
+    "@vitest/coverage-v8": "2.1.8",
     "eslint": "9.13.0",
     "eslint-config-escapace": "5.4.1",
     "esroll": "0.3.1",
@@ -28,7 +28,7 @@
     "syncpack": "12.4.0",
     "tsx": "4.19.2",
     "typescript": "5.6.3",
-    "vitest": "1.6.0"
+    "vitest": "2.1.8"
   },
   "engines": {
     "pnpm": ">=9.4.0"