chore: update devDependencies

Author: marionebl

.eslintrc

@@ -1,3 +1,3 @@
 {
-  "extends": ["xo"]
+  "extends": ["xo/esnext"]
 }

package.json

@@ -47,6 +47,7 @@
   "devDependencies": {
     "babel": "6.5.1",
     "babel-cli": "6.4.0",
+    "babel-eslint": "5.0.0",
     "babel-plugin-add-module-exports": "0.1.2",
     "babel-preset-es2015-node4": "2.0.3",
     "babel-preset-stage-0": "6.5.0",
@@ -56,6 +57,7 @@
     "cz-conventional-changelog": "1.1.5",
     "eslint": "2.2.0",
     "eslint-config-xo": "0.11.0",
+    "eslint-plugin-babel": "3.1.0",
     "jsonlint-cli": "0.2.7"
   },
   "dependencies": {