chore(deps): upgrade to vitest 4

Author: larbish

package.json

@@ -81,7 +81,7 @@
     "vite": "^7.2.7",
     "vite-plugin-dts": "^4.5.4",
     "vite-plugin-libcss": "^1.1.2",
-    "vitest": "^3.2.4",
+    "vitest": "^4.0.15",
     "vue": "^3.5.25",
     "vue-router": "^4.6.4",
     "vue-tsc": "^3.1.3",