chore(package): update dependencies

* chore(package): update dependencies
* docs(readme): add Greenkeeper badge

Author: greenkeeper[bot]

README.md

@@ -1,4 +1,6 @@
 # graphql-compose-dataloader
+
+[![Greenkeeper badge](https://badges.greenkeeper.io/stoffern/graphql-compose-dataloader.svg)](https://greenkeeper.io/)
 [![Travis](https://img.shields.io/travis/stoffern/graphql-compose-dataloader.svg)]()
 [![npm version](https://img.shields.io/npm/v/graphql-compose-dataloader.svg?style=flat-square)](https://www.npmjs.com/package/graphql-compose-dataloader) [![npm](https://img.shields.io/npm/l/graphql-compose-dataloader.svg?style=flat-square)](https://github.com/stoffern/graphql-compose-dataloader/blob/master/LICENSE)
 Add DataLoader to graphql-composer resolvers.

package.json

@@ -47,7 +47,7 @@
   "devDependencies": {
     "babel-cli": "^6.22.2",
     "babel-core": "^6.22.1",
-    "babel-eslint": "^7.1.1",
+    "babel-eslint": "^8.0.1",
     "babel-plugin-syntax-async-functions": "6.13.0",
     "babel-plugin-transform-class-properties": "^6.22.0",
     "babel-plugin-transform-flow-strip-types": "^6.22.0",
@@ -56,15 +56,15 @@
     "babel-plugin-transform-runtime": "^6.22.0",
     "babel-preset-es2015": "^6.22.0",
     "babel-runtime": "^6.22.0",
-    "chai": "^3.5.0",
-    "cross-env": "^3.1.4",
-    "cz-conventional-changelog": "^1.2.0",
-    "graphql": "^0.9.0",
-    "graphql-compose": "^1.10.0",
-    "mocha": "^3.2.0",
-    "nyc": "^10.1.2",
+    "chai": "^4.1.2",
+    "cross-env": "^5.0.5",
+    "cz-conventional-changelog": "^2.0.0",
+    "graphql": "^0.11.7",
+    "graphql-compose": "^2.9.1",
+    "mocha": "^4.0.1",
+    "nyc": "^11.2.1",
     "rimraf": "^2.5.4",
-    "semantic-release": "^6.3.2"
+    "semantic-release": "^8.0.3"
   },
   "config": {
     "commitizen": {