build(deps): bump vue-router from 3.0.7 to 3.1.2

Bumps [vue-router](https://github.com/vuejs/vue-router) from 3.0.7 to 3.1.2.
- [Release notes](https://github.com/vuejs/vue-router/releases)
- [Changelog](https://github.com/vuejs/vue-router/blob/dev/CHANGELOG.md)
- [Commits](vuejs/vue-router@v3.0.7...v3.1.2)

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

package.json

@@ -13,7 +13,7 @@
     "v-tooltip": "^2.0.2",
     "vue": "^2.6.6",
     "vue-analytics": "^5.17.0",
-    "vue-router": "^3.0.7",
+    "vue-router": "^3.1.2",
     "vuex": "^3.1.1"
   },
   "devDependencies": {