chore(deps): update vitest monorepo to v4.1.8

Author: renovate[bot]

package.json

@@ -21,7 +21,7 @@
     "prettier": "3.8.3",
     "typescript": "6.0.3",
     "vite": "8.0.16",
-    "vitest": "4.1.7",
+    "vitest": "4.1.8",
     "vue": "3.5.35",
     "vue-tsc": "3.3.3"
   },