Update lockfile

Author: dfreeman

yarn.lock

@@ -36,9 +36,9 @@
     "@types/jquery" "*"
     "@types/rsvp" "*"
 
-"@types/ember@*", "@types/ember@2.8.8":
-  version "2.8.8"
-  resolved "https://registry.yarnpkg.com/@types/ember/-/ember-2.8.8.tgz#a3621385cb91a2ff4a9e2cd2a5f0f7c33b9f5d5d"
+"@types/ember@*", "@types/ember@2.8.13":
+  version "2.8.13"
+  resolved "https://registry.yarnpkg.com/@types/ember/-/ember-2.8.13.tgz#4577bb9684ef5b75b49c181dc56075a94e8002c8"
   dependencies:
     "@types/handlebars" "*"
     "@types/jquery" "*"