Update dependency ember-concurrency to v2.2.1

package.json

@@ -98,7 +98,7 @@
 		"ember-cli-string-helpers": "6.1.0",
 		"ember-cli-uglify": "3.0.0",
 		"ember-composable-helpers": "5.0.0",
-		"ember-concurrency": "2.2.0",
+		"ember-concurrency": "2.2.1",
 		"ember-data": "4.1.0",
 		"ember-disable-prototype-extensions": "1.1.3",
 		"ember-export-application-global": "2.0.1",

yarn.lock

@@ -12953,7 +12953,18 @@ ember-concurrency-decorators@^2.0.0:
     ember-cli-htmlbars "^4.3.1"
     ember-cli-typescript "^3.1.4"
 
-[email protected], "ember-concurrency@>=1.0.0 <3":
+[email protected]:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/ember-concurrency/-/ember-concurrency-2.2.1.tgz#4ed2e167036d00f7142312bc93c16f13ed9a259c"
+  integrity sha512-a4283Yq+jimxqoD5YaxQu7cXePHKqkNQfsT4fs0nYTz5PYbUd6wzUtelp6k8R1JTNPwDdxyVvUgu7yYoC8Sk5A==
+  dependencies:
+    "@glimmer/tracking" "^1.0.4"
+    ember-cli-babel "^7.26.6"
+    ember-cli-htmlbars "^5.7.1"
+    ember-compatibility-helpers "^1.2.0"
+    ember-destroyable-polyfill "^2.0.2"
+
+"ember-concurrency@>=1.0.0 <3":
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/ember-concurrency/-/ember-concurrency-2.2.0.tgz#0acfb8ca855e0fdfa4c543be150028299a89ba32"
   integrity sha512-Ns1MH6t08oJqfeWQ4EMxyf6bLsXM87SbUPwGNUsg7idpikvkGr1PWqtvU6qxDTv1mA4Vrwdhv0I9yxN0ShH9Bg==