Bump vue-router from 3.4.2 to 3.4.3

Bumps [vue-router](https://github.com/vuejs/vue-router) from 3.4.2 to 3.4.3.
- [Release notes](https://github.com/vuejs/vue-router/releases)
- [Changelog](https://github.com/vuejs/vue-router/blob/dev/CHANGELOG.md)
- [Commits](vuejs/vue-router@v3.4.2...v3.4.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -40,7 +40,7 @@
     "socket.io": "^2.3.0",
     "socket.io-client": "^2.3.0",
     "vue": "2.6.11",
-    "vue-router": "^3.4.2",
+    "vue-router": "^3.4.3",
     "vue-server-renderer": "2.6.11",
     "vueify": "^9.4.1",
     "watchify": "^3.11.1"