chore(deps): bump vitest to 4.1.0

Author: vados-cosmonic

packages/jco/package.json

@@ -96,7 +96,7 @@
         "smol-toml": "^1.4.2",
         "typescript": "^5.9.2",
         "vite": "^7.1.5",
-        "vitest": "^3.2.4",
+        "vitest": "^4.1.0",
         "which": "^2.0.2"
     }
 }

packages/preview3-shim/package.json

@@ -52,6 +52,6 @@
   "devDependencies": {
     "globals": "^16.3.0",
     "vite": "^7.1.5",
-    "vitest": "^3.2.4"
+    "vitest": "^4.1.0"
   }
 }