chore(package): update matcha to version 0.7.0

http://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -28,7 +28,7 @@
     "bncode": "latest",
     "dht-bencode": "latest",
     "dht.js": "latest",
-    "matcha": "~0.6.0",
+    "matcha": "~0.7.0",
     "tap-spec": "~4.1.0",
     "tape": "~4.4.0"
   },