Upgrade vue-router

Author: aLLeXUs

frontend/package.json

@@ -19,7 +19,7 @@
     "pusher-js": "^6.0.3",
     "vue": "^2.6.11",
     "vue-infinite-loading": "^2.4.5",
-    "vue-router": "^3.0.1",
+    "vue-router": "^3.1.6",
     "vuex": "^3.0.1"
   },
   "devDependencies": {

frontend/yarn.lock

@@ -8278,7 +8278,7 @@ vue-loader@^15.7.0:
     vue-hot-reload-api "^2.3.0"
     vue-style-loader "^4.1.0"
 
-vue-router@^3.0.1:
+vue-router@^3.1.6:
   version "3.1.6"
   resolved "https://registry.yarnpkg.com/vue-router/-/vue-router-3.1.6.tgz#45f5a3a3843e31702c061dd829393554e4328f89"
   integrity sha512-GYhn2ynaZlysZMkFE5oCHRUTqE8BWs/a9YbKpNLi0i7xD6KG1EzDqpHQmv1F5gXjr8kL5iIVS8EOtRaVUEXTqA==