chore(deps): update vitest monorepo to v4

Author: renovate[bot]

package.json

@@ -60,8 +60,8 @@
     "@types/react-dom": "19.2.2",
     "@types/unzipper": "0.10.11",
     "@vitejs/plugin-react": "5.0.4",
-    "@vitest/browser": "3.2.4",
-    "@vitest/coverage-v8": "3.2.4",
+    "@vitest/browser": "4.0.3",
+    "@vitest/coverage-v8": "4.0.3",
     "chromatic": "13.3.2",
     "dotenv": "17.2.3",
     "jsdom": "27.0.1",
@@ -72,7 +72,7 @@
     "typescript": "5.9.3",
     "vite": "7.1.12",
     "vite-tsconfig-paths": "5.1.4",
-    "vitest": "3.2.4",
+    "vitest": "4.0.3",
     "web-vitals": "5.1.0"
   }
 }