fix(package): update @uirouter/core to version 5.0.13

Author: greenkeeper[bot]

package.json

@@ -49,7 +49,7 @@
   "module": "lib/index.js",
   "typings": "lib/index.d.ts",
   "dependencies": {
-    "@uirouter/core": "5.0.12",
+    "@uirouter/core": "5.0.13",
     "@uirouter/rx": "0.4.5",
     "tslib": "^1.7.1"
   },