chore(package): update coveralls to version 2.13.2

package.json

@@ -42,6 +42,6 @@
     "sinon": "2.3.7",
     "blanket": "~1.2.3",
     "mocha-lcov-reporter": "1.3.0",
-    "coveralls": "~2.13.0"
+    "coveralls": "~2.13.2"
   }
 }