Update dependency vite to v8

Author: renovate[bot]

test-router/package.json

@@ -64,7 +64,7 @@
     "prettier": "3.2.5",
     "tailwindcss": "^3.4.3",
     "typescript": "^5.2.2",
-    "vite": "^5.2.0",
+    "vite": "^8.0.0",
     "vitest": "^1.5.2"
   }
 }