fix(package): update gh-badges to version 2.2.1

Closes #46

Author: greenkeeper[bot]

package.json

@@ -5,7 +5,7 @@
     "bluebird": "^3.4.6",
     "couchdb-bootstrap": "^1.14.0",
     "envalid": "^4.0.0",
-    "gh-badges": "^1.3.0",
+    "gh-badges": "^2.2.1",
     "good": "^7.0.2",
     "good-console": "^7.0.0",
     "good-squeeze": "^5.0.0",