chore: regenerate lockfile

For some reason, the lockfile was not in sync anymore with the
package.json file:

> `npm ci` can only install packages when your package.json and package-lock.json or npm-shrinkwrap.json are in sync.

That may be linked to a new version of Node.js (v16.15.1).

Author: darrachequesne

lib/socket.ts

@@ -168,7 +168,7 @@ export class Socket<
     ...args: EventParams<EmitEvents, Ev>
   ): this {
     if (RESERVED_EVENTS.hasOwnProperty(ev)) {
-      throw new Error('"' + ev + '" is a reserved event name');
+      throw new Error('"' + ev.toString() + '" is a reserved event name');
     }
 
     args.unshift(ev);