fix(package): update angular-ui-router to version 1.0.21

Author: greenkeeper[bot]

package.json

@@ -25,7 +25,7 @@
   "dependencies": {
     "@babel/polyfill": "7.2.5",
     "angular": "1.7.6",
-    "angular-ui-router": "1.0.20",
+    "angular-ui-router": "1.0.21",
     "bootstrap": "4.3.1",
     "oclazyload": "1.1.0",
     "prop-types": "15.7.2",