fix(import/order): Incorrect config syntax

Author: joshwiens

rules/imports.js

@@ -145,7 +145,7 @@ module.exports = {
 
     // Enforce a convention in module import order
     // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/order.md
-    'import/order': ['warning', {
+    'import/order': ['warn', {
       groups: ['builtin', 'external', 'internal', 'parent', 'sibling', 'index'],
       'newlines-between': 'always-and-inside-groups',
     }],