deps: ember-simple-auth@1.1.0-beta.4

- remove related deprecation line in deprecation-workflow.js

ghost/admin/config/deprecation-workflow.js

@@ -1,7 +1,6 @@
 window.deprecationWorkflow = window.deprecationWorkflow || {};
 window.deprecationWorkflow.config = {
     workflow: [
-        {handler: 'silence', matchMessage: 'Using the injected `container` is deprecated. Please use the `getOwner` helper instead to access the owner of this object.'},
         {handler: 'silence', matchMessage: 'You modified (-join-classes "ember-view" "form-group" (-normalize-class "errorClass" errorClass activeClass=undefined inactiveClass=undefined)) twice in a single render. This was unreliable in Ember 1.x and will be removed in Ember 3.0'}
     ]
 };

ghost/admin/package.json

@@ -48,7 +48,7 @@
     "ember-power-select": "0.9.2",
     "ember-resolver": "2.0.3",
     "ember-route-action-helper": "0.3.0",
-    "ember-simple-auth": "1.0.1",
+    "ember-simple-auth": "1.1.0-beta.4",
     "ember-sinon": "0.5.0",
     "ember-sortable": "1.7.0",
     "ember-suave": "2.0.1",