chore: bump version to 2.14.0

- Add anonymous telemetry system with Supabase integration
- Fix TypeErrors affecting 50% of tool calls
- Improve test coverage to 91%+
- Add comprehensive CHANGELOG

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Co-Authored-By: Claude <noreply@anthropic.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "n8n-mcp",
-  "version": "2.13.2",
+  "version": "2.14.0",
   "description": "Integration between n8n workflow automation and Model Context Protocol (MCP)",
   "main": "dist/index.js",
   "bin": {