chore(deps): update dependency ember-template-lint to v7 (#2947)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

packages/ember-simple-auth/package.json

@@ -55,7 +55,7 @@
     "@typescript-eslint/eslint-plugin": "8.21.0",
     "@typescript-eslint/parser": "8.21.0",
     "concurrently": "9.1.2",
-    "ember-template-lint": "6.1.0",
+    "ember-template-lint": "7.0.1",
     "eslint": "9.19.0",
     "prettier": "3.4.2",
     "rollup": "4.32.0",