chore: update n8n dependencies to v1.108.1

- n8n: 1.106.3 → 1.108.1
- n8n-core: 1.105.3 → 1.107.1
- n8n-workflow: 1.103.3 → 1.105.0
- @n8n/n8n-nodes-langchain: 1.105.3 → 1.107.0
- Rebuilt nodes database with 535 nodes
- Bumped version to 2.10.7

package.runtime.json

@@ -1,6 +1,6 @@
 {
   "name": "n8n-mcp-runtime",
-  "version": "2.10.1",
+  "version": "2.10.7",
   "description": "n8n MCP Server Runtime Dependencies Only",
   "private": true,
   "dependencies": {