chore(deps): update dependency vitest to v4 (#110)

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

Author: renovate[bot]

package.json

@@ -31,7 +31,7 @@
     "@vue/test-utils": "^2.4.6",
     "jsdom": "^26.0.0",
     "typescript": "^5.6.2",
-    "vitest": "^3.0.0",
+    "vitest": "^4.0.0",
     "vue-tsc": "^3.0.0"
   },
   "packageManager": "[email protected]+sha512.68046141893c66fad01c079231128e9afb89ef87e2691d69e4d40eee228988295fd4682181bae55b58418c3a253bde65a505ec7c5f9403ece5cc3cd37dcf2531"