chore(package): update node-docker-api to version 1.1.9

Closes #7

https://greenkeeper.io/

Author: greenkeeper[bot]

package.json

@@ -39,7 +39,7 @@
   "devDependencies": {
     "mocha": "^3.2.0",
     "nock": "github:ierceg/nock#promisify-nock-back",
-    "node-docker-api": "1.1.2",
+    "node-docker-api": "1.1.9",
     "readme-badges": "^0.3.3",
     "readme-includes": "^0.2.9",
     "stream-buffers": "^3.0.1",