Update recommended config

Author: colebemis

package.json

@@ -1,6 +1,6 @@
 {
   "name": "eslint-plugin-primer-react",
-  "version": "0.1.0",
+  "version": "0.4.0",
   "description": "ESLint rules for Primer React",
   "main": "src/index.js",
   "scripts": {

src/configs/recommended.js

@@ -1,10 +1,12 @@
 module.exports = {
   parserOptions: {
-    ecmaVersion: 'latest',
     sourceType: 'module',
     ecmaFeatures: {
       jsx: true
     }
   },
-  rules: [['primer-react/no-deprecated-colors', 'warn']]
+  plugins: ['primer-react'],
+  rules: {
+    'primer-react/no-deprecated-colors': 'warn'
+  }
 }