chore(deps): update dependency vitest to v3

Author: renovate[bot]

gui/package.json

@@ -48,7 +48,7 @@
         "typescript": "^5.7.3",
         "typescript-eslint": "^8.19.1",
         "vite": "^6.0.7",
-        "vitest": "^2.1.8"
+        "vitest": "^3.0.0"
     },
     "pnpm": {
         "auditConfig": {