chore: 🤖 Update ember-cli-htmlbars

ui/admin/package.json

@@ -56,7 +56,7 @@
     "ember-cli-code-coverage": "^1.0.3",
     "ember-cli-content-security-policy": "^1.1.1",
     "ember-cli-dependency-checker": "^3.2.0",
-    "ember-cli-htmlbars": "^5.7.1",
+    "ember-cli-htmlbars": "^6.0.1",
     "ember-cli-inject-live-reload": "^2.1.0",
     "ember-cli-sass": "^10.0.1",
     "ember-cli-sri": "^2.1.1",