peerDependency: Bump ember-template-lint to ^1.6.1

Author: dcyriller

package.json

@@ -28,7 +28,7 @@
   "license": "Apache-2.0",
   "private": false,
   "peerDependencies": {
-    "ember-template-lint": "^1.3.0",
+    "ember-template-lint": "^1.6.1",
     "prettier": "^1.18.2"
   },
   "devDependencies": {