Upgrade to use AWS SDK v3.

Ref: https://docs.aws.amazon.com/sdk-for-javascript/v3/developer-guide/migrating-to-v3.html

Author: Saro

lib/s3.js

@@ -1,6 +1,9 @@
 'use strict';
 
-var AWS             = require('aws-sdk');
+var AWS             = require('aws-sdk'),
+    {
+      S3
+    } = require("@aws-sdk/client-s3");
 var CoreObject      = require('core-object');
 var RSVP            = require('rsvp');
 var fs              = require('fs');
@@ -44,7 +47,7 @@ module.exports = CoreObject.extend({
       AWS.config.endpoint = new AWS.Endpoint(endpoint);
     }
 
-    this._client = plugin.readConfig('s3Client') || new AWS.S3(config);
+    this._client = plugin.readConfig('s3Client') || new S3(config);
   },
 
   upload: function(options) {

package.json

@@ -18,7 +18,7 @@
     "test": "node tests/runner.js && ./node_modules/.bin/eslint index.js lib/* tests/**/*.js"
   },
   "dependencies": {
-    "aws-sdk": "^2.667.0",
+    "@aws-sdk/client-s3": "^3.385.0",
     "core-object": "^3.0.0",
     "ember-cli-deploy-plugin": "^0.2.9",
     "mime-types": "^2.1.27",