chore(package): update libp2p-webrtc-star to version 0.6.0 (libp2p#130)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -45,7 +45,7 @@
     "libp2p-secio": "^0.6.2",
     "libp2p-spdy": "^0.10.0",
     "libp2p-tcp": "^0.9.1",
-    "libp2p-webrtc-star": "^0.5.0",
+    "libp2p-webrtc-star": "^0.6.0",
     "libp2p-websockets": "^0.9.0",
     "pre-commit": "^1.1.3",
     "pull-goodbye": "0.0.1",