chore(deps): update dependency vitest to v2

Author: renovate[bot]

packages/playground/package.json

@@ -16,7 +16,7 @@
     "tiny-invariant": "1.3.3",
     "vite": "5.4.10",
     "vite-plugin-inspect": "0.8.7",
-    "vitest": "1.6.0"
+    "vitest": "2.1.4"
   },
   "dependencies": {
     "eta": "^2.0.0"