docs!: Update node version to 18

BREAKING-CHANGE: Dropping support for node v16

README.md

@@ -15,7 +15,7 @@ Documentation can be found [here](https://zachowj.github.io/node-red-contrib-hom
 Have Node-RED installed and working, if you need to
 install Node-RED see [here](https://nodered.org/docs/getting-started/installation).
 
-- [Node.js](https://nodejs.org) v14.0.0+
+- [Node.js](https://nodejs.org) v18.2.0+
 - [Node-RED](https://nodered.org/) v3.1.1+
 - [Home Assistant](https://home-assistant.io) v2023.12+
 

package.json

@@ -7,7 +7,7 @@
     "url": "https://github.com/zachowj/node-red-contrib-home-assistant-websocket/issues"
   },
   "engines": {
-    "node": ">=14.0.0"
+    "node": ">=18.2.0"
   },
   "packageManager": "[email protected]",
   "scripts": {