update ember-page-title

Author: mansona

package-lock.json

@@ -80,7 +80,7 @@
     "ember-load-initializers": "^2.1.2",
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-native-dom-helpers": "^0.6.2",
-    "ember-page-title": "^6.2.2",
+    "ember-page-title": "^7.0.0",
     "ember-qunit": "^5.1.5",
     "ember-resolver": "^8.0.3",
     "ember-scroll": "^1.0.3",