Merge pull request ember-learn#690 from ember-learn/lts-dropdown

update guidemaker-ember-template for LTS signifier in dropdown

Author: mansona

package-lock.json

@@ -69,7 +69,7 @@
     "eslint-plugin-ember": "^6.3.0",
     "eslint-plugin-import": "^2.16.0",
     "guidemaker": "^1.3.0",
-    "guidemaker-ember-template": "^1.0.0",
+    "guidemaker-ember-template": "^1.1.0",
     "loader.js": "^4.7.0",
     "lodash": "^4.17.4",
     "markdown-link-extractor": "^1.1.1",