Update dependency eslint to v9

Author: renovate[bot]

package.json

@@ -117,7 +117,7 @@
     "ember-truth-helpers": "4.0.3",
     "ember-web-app": "5.0.1",
     "ember-window-mock": "0.9.0",
-    "eslint": "8.57.0",
+    "eslint": "9.5.0",
     "eslint-config-prettier": "9.1.0",
     "eslint-plugin-ember": "12.1.1",
     "eslint-plugin-ember-concurrency": "0.5.1",