chore: update vitest to v2

Author: renovate[bot]

package.json

@@ -48,13 +48,13 @@
     "@changesets/cli": "^2.27.1",
     "@codspeed/vitest-plugin": "^3.1.0",
     "@types/node": "^20.12.12",
-    "@vitest/ui": "^1.6.0",
+    "@vitest/ui": "^2.1.1",
     "astro": "^4.8.5",
     "defu": "^6.1.4",
     "sharp": "^0.33.4",
     "tsup": "^8.0.2",
     "typescript": "^5.4.5",
-    "vitest": "^1.6.0"
+    "vitest": "^2.1.1"
   },
   "peerDependencies": {
     "typescript": ">= 4.0.0"