Update eslint monorepo to v9.39.4

Author: renovate[bot]

package.json

@@ -48,7 +48,7 @@
     "@ember/test-helpers": "5.4.1",
     "@embroider/macros": "1.20.1",
     "@embroider/test-setup": "4.0.0",
-    "@eslint/js": "9.39.3",
+    "@eslint/js": "9.39.4",
     "@glimmer/component": "2.0.0",
     "@glimmer/tracking": "1.1.2",
     "@release-it-plugins/lerna-changelog": "8.0.1",
@@ -75,7 +75,7 @@
     "ember-source-channel-url": "3.0.0",
     "ember-template-lint": "7.9.3",
     "ember-try": "4.0.0",
-    "eslint": "9.39.3",
+    "eslint": "9.39.4",
     "eslint-config-prettier": "10.1.8",
     "eslint-plugin-ember": "12.7.5",
     "eslint-plugin-n": "17.24.0",