Fix n8n ProboTrigger node package review issues

- Log delete failures in deleteSubscription instead of swallowing them
- Correct codex node prefix to @probo/n8n-nodes-probo.proboTrigger
- Replace unsupported codex categories with Development and Utility

Signed-off-by: Sacha Al Himdani <sacha@probo.com>

packages/n8n-node/nodes/ProboTrigger/ProboTrigger.node.json

@@ -1,8 +1,8 @@
 {
-  "node": "n8n-nodes-probo.proboTrigger",
+  "node": "@probo/n8n-nodes-probo.proboTrigger",
   "nodeVersion": "1.0",
   "codexVersion": "1.0",
-  "categories": ["Development", "Developer Tools", "Automation"],
+  "categories": ["Development", "Utility"],
   "resources": {
     "credentialDocumentation": [
       {