chore(deps): update dependency vitest to v2

Author: renovate[bot]

package.json

@@ -76,7 +76,7 @@
     "rehype-accessible-emojis": "^0.3.2",
     "remark-toc": "^9.0.0",
     "tailwindcss": "3.4.13",
-    "vitest": "^1.3.1",
+    "vitest": "^2.0.0",
     "workbox-window": "^7.0.0"
   },
   "dependencies": {