chore: update Node runtime and dependencies (#1147)

Co-authored-by: Codex <noreply@openai.com>

eslint.config.mjs

@@ -0,0 +1,29 @@
+import js from '@eslint/js';
+import globals from 'globals';
+import tsPlugin from '@typescript-eslint/eslint-plugin';
+import jestPlugin from 'eslint-plugin-jest';
+import prettierRecommended from 'eslint-plugin-prettier/recommended';
+
+export default [
+  {
+    ignores: ['coverage/**', 'lib/**', 'node_modules/**']
+  },
+  js.configs.recommended,
+  ...tsPlugin.configs['flat/recommended'],
+  {
+    files: ['src/**/*.ts', '__tests__/**/*.ts'],
+    languageOptions: {
+      ecmaVersion: 2022,
+      globals: {
+        ...globals.es2022,
+        ...globals.node
+      },
+      sourceType: 'module'
+    }
+  },
+  {
+    files: ['__tests__/**/*.ts'],
+    ...jestPlugin.configs['flat/recommended']
+  },
+  prettierRecommended
+];