bump deps

package.json

@@ -22,11 +22,11 @@
     "firebase": "^3.7.2",
     "lru-cache": "^4.0.2",
     "serve-favicon": "^2.4.1",
-    "vue": "^2.2.4",
-    "vue-router": "^2.3.0",
-    "vue-server-renderer": "^2.2.4",
-    "vue-style-loader": "^2.0.4",
-    "vuex": "^2.2.1",
+    "vue": "^2.3.0",
+    "vue-router": "^2.5.0",
+    "vue-server-renderer": "^2.3.0",
+    "vue-style-loader": "^3.0.0",
+    "vuex": "^2.3.1",
     "vuex-router-sync": "^4.1.2",
     "webpack-merge": "^4.0.0"
   },