chore: update ESLint config to use defineConfig helper function (#40)

Author: lumirlumir

eslint.config.js

@@ -1,14 +1,13 @@
 "use strict";
 
+const { defineConfig, globalIgnores } = require("eslint/config");
 const eslintConfigESLintCJS = require("eslint-config-eslint/cjs");
 const eslintConfigESLintFormatting = require("eslint-config-eslint/formatting");
 const globals = require("globals");
 
-module.exports = [
-    {
-        ignores: ["tests/fixtures/"]
-    },
-    ...eslintConfigESLintCJS,
+module.exports = defineConfig([
+    globalIgnores(["tests/fixtures/"]),
+    eslintConfigESLintCJS,
     eslintConfigESLintFormatting,
     {
         files: ["tests/**/*"],
@@ -18,4 +17,4 @@ module.exports = [
             }
         }
     }
-];
+]);