chore(deps): update dependency ember-cli-htmlbars to v7

Author: renovate[bot]

ember-file-upload/package.json

@@ -74,7 +74,7 @@
     "@typescript-eslint/eslint-plugin": "^8.40.0",
     "@typescript-eslint/parser": "^8.40.0",
     "concurrently": "^9.0.0",
-    "ember-cli-htmlbars": "^6.1.1",
+    "ember-cli-htmlbars": "^7.0.0",
     "ember-modifier": "^3.2.7",
     "ember-source": "~6.4.0",
     "ember-template-lint": "^5.0.0",