feat: update n8n

Author: johackim

stacks/n8n.yml

@@ -5,7 +5,7 @@ version: '3.8'
 
 services:
   n8n:
-    image: n8nio/n8n:${VERSION:-1.27.2}
+    image: n8nio/n8n:${VERSION:-1.29.0}
     environment:
       - NODE_ENV=production
       - N8N_PROTOCOL=${SCHEME:-https}