Disable prototype poisoning option (#1414) (#1420)

* Introduce disablePrototypePoisoningProtection option

* Updated test

* Updated docs

* Fix bundler test

Co-authored-by: Tomas Della Vedova <delvedor@users.noreply.github.com>

index.d.ts

@@ -114,7 +114,8 @@ interface ClientOptions {
     // TODO: remove username and password here in 8
     username?: string;
     password?: string;
-  }
+  };
+  disablePrototypePoisoningProtection?: boolean | 'proto' | 'constructor';
 }
 
 declare class Client {