fix: use import for loading the addon

Author: aminya

lib/load-addon.js

@@ -57,4 +57,5 @@ function findAddon(): any | undefined {
   return addon
 }
 
-module.exports = findAddon()
+const addon = findAddon()
+export default addon

lib/load-addon.js.map

@@ -1,7 +1,8 @@
 /* eslint-disable @typescript-eslint/no-var-requires */
 
 /* Declare all native C++ classes and methods in this file. */
-module.exports = require("./load-addon")
+import addon from "./load-addon"
+module.exports = addon
 
 /**
  * The version of the ØMQ library the bindings were built with. Formatted as