chore(ci): fix template lint

Author: buschtoens

package.json

@@ -58,6 +58,7 @@
     "ember-resolver": "^8.0.2",
     "ember-source": "^3.27.5",
     "ember-source-channel-url": "^3.0.0",
+    "ember-template-lint": "^3.5.1",
     "ember-try": "^1.4.0",
     "eslint": "^7.31.0",
     "loader.js": "^4.7.0",