chore: update n8n to 2.6.3 and bump version to 2.33.6 (#571)

dist/mcp/server.d.ts

@@ -13,6 +13,9 @@ export declare class N8NDocumentationMCPServer {
     private previousToolTimestamp;
     private earlyLogger;
     private disabledToolsCache;
+    private useSharedDatabase;
+    private sharedDbState;
+    private isShutdown;
     constructor(instanceContext?: InstanceContext, earlyLogger?: EarlyErrorLogger);
     close(): Promise<void>;
     private initializeDatabase;