chore: update n8n to 2.3.3 and bump version to 2.33.2 (#535)

- Updated n8n from 2.2.3 to 2.3.3
- Updated n8n-core from 2.2.2 to 2.3.2
- Updated n8n-workflow from 2.2.2 to 2.3.2
- Updated @n8n/n8n-nodes-langchain from 2.2.2 to 2.3.2
- Rebuilt node database with 537 nodes (434 from n8n-nodes-base, 103 from @n8n/n8n-nodes-langchain)
- Updated README badge with new n8n version
- Updated CHANGELOG with dependency changes

Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

dist/mcp/server.d.ts

@@ -40,6 +40,7 @@ export declare class N8NDocumentationMCPServer {
     private rankSearchResults;
     private listAITools;
     private getNodeDocumentation;
+    private safeJsonParse;
     private getDatabaseStatistics;
     private getNodeEssentials;
     private getNode;