chore: specify the correct minimum node requirements (#378)

Author: himanshusinghs

README.md

@@ -28,7 +28,10 @@ A Model Context Protocol server for interacting with MongoDB Databases and Mongo
 
 ## Prerequisites
 
-- Node.js (v20.19.0 or later)
+- Node.js
+  - At least 20.19.0
+  - When using v22 then at least v22.12.0
+  - Otherwise any version 23+
 
 ```shell
 node -v

package-lock.json

@@ -74,6 +74,6 @@
     "zod": "^3.25.76"
   },
   "engines": {
-    "node": ">=20.19.0"
+    "node": "^20.19.0 || ^22.12.0 || >= 23.0.0"
   }
 }