chore(deps): update dependency vitest to v0.31.0

Author: renovate[bot]

package.json

@@ -70,7 +70,7 @@
     "typescript": "4.9.4",
     "unbuild": "1.0.2",
     "vite": "3.2.5",
-    "vitest": "0.25.8"
+    "vitest": "0.31.0"
   },
   "dependencies": {
     "ofetch": "^1.0.0"