Update dependency eslint to v9

Author: renovate[bot]

ember-stargate/package.json

@@ -60,7 +60,7 @@
     "@rollup/plugin-babel": "6.0.4",
     "concurrently": "9.1.2",
     "ember-template-lint": "7.0.1",
-    "eslint": "8.57.1",
+    "eslint": "9.22.0",
     "eslint-config-prettier": "10.1.1",
     "eslint-plugin-ember": "12.5.0",
     "eslint-plugin-import": "2.31.0",

test-app/package.json

@@ -88,7 +88,7 @@
     "ember-stargate": "1.0.1",
     "ember-template-lint": "7.0.1",
     "ember-try": "3.0.0",
-    "eslint": "8.57.1",
+    "eslint": "9.22.0",
     "eslint-config-prettier": "10.1.1",
     "eslint-plugin-ember": "12.5.0",
     "eslint-plugin-n": "17.16.2",