chore: Disable publishing on n8n-node-dev (n8n-io#25980)

Author: Matsuuu

packages/node-dev/README.md

@@ -1,5 +1,9 @@
 ![n8n.io - Workflow Automation](https://user-images.githubusercontent.com/65276001/173571060-9f2f6d7b-bac0-43b6-bdb2-001da9694058.png)
 
+# ⚠️ Deprecated
+
+> **This package is deprecated and no more updates will be published to npm**
+
 # n8n-node-dev
 
 Currently very simple and not very sophisticated CLI which makes it easier

packages/node-dev/package.json

@@ -2,6 +2,7 @@
   "name": "n8n-node-dev",
   "version": "2.9.0",
   "description": "CLI to simplify n8n credentials/node development",
+  "private": true,
   "main": "dist/src/index",
   "types": "dist/src/index.d.ts",
   "oclif": {