chore(deps): update dependency ember-template-lint to v7

Author: renovate[bot]

packages/test-app/package.json

@@ -85,7 +85,7 @@
     "ember-resolver": "11.0.1",
     "ember-source": "6.0.1",
     "ember-source-channel-url": "3.0.0",
-    "ember-template-lint": "6.0.0",
+    "ember-template-lint": "7.9.3",
     "ember-try": "3.0.0",
     "eslint": "8.57.1",
     "eslint-config-prettier": "10.0.1",