Adapt to latest version of eslint

eslint.config.mjs

@@ -1,7 +1,8 @@
 import globals from "globals";
+import { defineConfig } from "eslint/config";
 import js from "@eslint/js";
 
-export default [
+export default defineConfig([
     js.configs.recommended,
     {
         languageOptions: {
@@ -99,4 +100,4 @@ export default [
             "no-console": 0,
         },
     },
-];
+]);

package.json

@@ -39,6 +39,7 @@
     "chai": "latest",
     "commander": "latest",
     "eslint": "latest",
+    "@eslint/js": "latest",
     "fs-extra": "latest",
     "globals": "latest",
     "jsdom": "latest",