chore: update eslint to v9 (#404)

Author: json-derulo

eslint.config.mjs

@@ -1,3 +1,4 @@
+import { fixupPluginRules } from "@eslint/compat";
 import js from "@eslint/js";
 import angularEslint from "angular-eslint";
 import deprecation from "eslint-plugin-deprecation";
@@ -27,7 +28,7 @@ export default tseslint.config(
         ...globals.browser,
       },
     },
-    plugins: { deprecation },
+    plugins: { deprecation: fixupPluginRules(deprecation) },
     processor: angularEslint.processInlineTemplates,
     rules: {
       "@typescript-eslint/no-extraneous-class": "off",

package-lock.json

@@ -36,12 +36,13 @@
     "@angular-devkit/build-angular": "~18.1.0",
     "@angular/cli": "~18.1.0",
     "@angular/compiler-cli": "~18.1.0",
+    "@eslint/compat": "^1.1.1",
     "@eslint/js": "^9.2.0",
     "@types/jasmine": "~5.1.0",
-    "angular-eslint": "^18.0.0-alpha.16",
+    "angular-eslint": "^18.0.0",
     "cpy-cli": "^5.0.0",
     "dayjs": "^1.11.7",
-    "eslint": "^8.53.0",
+    "eslint": "^9.0.0",
     "eslint-plugin-deprecation": "^3.0.0",
     "globals": "^15.1.0",
     "jasmine-core": "~5.2.0",
@@ -57,5 +58,8 @@
     "prettier-plugin-organize-imports": "^4.0.0",
     "typescript": "~5.5.0",
     "typescript-eslint": "^8.0.0-alpha.20"
+  },
+  "overrides": {
+    "eslint": "^9.0.0"
   }
 }