Update dependencies to enable Greenkeeper 🌴 (#124)

* chore(package): update dependencies

* docs(readme): add Greenkeeper badge

Author: greenkeeper[bot]

README.md

@@ -4,6 +4,7 @@
 [![Build Status](https://img.shields.io/travis/jakezatecky/react-checkbox-tree/master.svg?style=flat-square)](https://travis-ci.org/jakezatecky/react-checkbox-tree)
 [![Dependency Status](https://img.shields.io/david/jakezatecky/react-checkbox-tree.svg?style=flat-square)](https://david-dm.org/jakezatecky/react-checkbox-tree)
 [![devDependency Status](https://david-dm.org/jakezatecky/react-checkbox-tree/dev-status.svg?style=flat-square)](https://david-dm.org/jakezatecky/react-checkbox-tree?type=dev)
+[![Greenkeeper badge](https://badges.greenkeeper.io/jakezatecky/react-checkbox-tree.svg?style=flat-square)](https://greenkeeper.io/)
 [![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg?style=flat-square)](https://raw.githubusercontent.com/jakezatecky/react-checkbox-tree/master/LICENSE.txt)
 
 > A simple and elegant checkbox tree for React.

package.json

@@ -43,7 +43,7 @@
     "enzyme-adapter-react-16": "^1.0.0",
     "eslint": "^5.2.0",
     "eslint-config-takiyon-react": "^0.4.0",
-    "eslint-import-resolver-webpack": "^0.10.0",
+    "eslint-import-resolver-webpack": "^0.11.0",
     "eslint-plugin-import": "^2.2.0",
     "eslint-plugin-jsx-a11y": "^6.0.2",
     "eslint-plugin-react": "^7.10.0",