chore: pin vitest to stable version, regenerate lock file

Author: mohitgauniyal

package.json

@@ -50,6 +50,6 @@
   "devDependencies": {
     "nodemon": "^3.1.0",
     "supertest": "^7.2.2",
-    "vitest": "^4.0.18"
+    "vitest": "^2.1.8"
   }
-}
+}