chore(package): update http-proxy-middleware to version 0.17.0 (#21)

Author: greenkeeperio-bot

package.json

@@ -59,7 +59,7 @@
     "glob": "^7.0.4",
     "greenkeeper-postpublish": "^1.0.0",
     "hoodie": "^23.0.0",
-    "http-proxy-middleware": "^0.16.0",
+    "http-proxy-middleware": "^0.17.0",
     "loader.js": "^4.0.1",
     "morgan": "^1.7.0",
     "semantic-release": "^6.2.2"