chore(deps): update dependency vitest to v4 (#96)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -80,7 +80,7 @@
     "tsx": "^4.20.6",
     "typescript": "^5.9.3",
     "vite": "^7.1.12",
-    "vitest": "^3.2.4",
+    "vitest": "^4.0.4",
     "vue": "^3.5.22"
   },
   "engines": {