Update dependency eslint to v9.12.0

Author: renovate[bot]

package.json

@@ -115,7 +115,7 @@
     "ember-truth-helpers": "4.0.3",
     "ember-web-app": "5.0.1",
     "ember-window-mock": "1.0.2",
-    "eslint": "9.11.1",
+    "eslint": "9.12.0",
     "eslint-config-prettier": "9.1.0",
     "eslint-plugin-ember": "12.2.1",
     "eslint-plugin-ember-concurrency": "0.5.1",