Bump vue-router from 3.4.3 to 3.4.6 in /frontend

Bumps [vue-router](https://github.com/vuejs/vue-router) from 3.4.3 to 3.4.6.
- [Release notes](https://github.com/vuejs/vue-router/releases)
- [Changelog](https://github.com/vuejs/vue-router/blob/dev/CHANGELOG.md)
- [Commits](vuejs/vue-router@v3.4.3...v3.4.6)

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

Author: dependabot[bot]

frontend/package.json

@@ -19,7 +19,7 @@
     "tailwindcss": "^1.8.10",
     "vee-validate": "^3.3.11",
     "vue": "^2.6.11",
-    "vue-router": "^3.2.0",
+    "vue-router": "^3.4.6",
     "vuex": "^3.4.0",
     "vuex-persistedstate": "^3.1.0"
   },

frontend/yarn.lock

@@ -8692,10 +8692,10 @@ vue-loader@^15.9.2:
     vue-hot-reload-api "^2.3.0"
     vue-style-loader "^4.1.0"
 
-vue-router@^3.2.0:
-  version "3.4.3"
-  resolved "https://registry.yarnpkg.com/vue-router/-/vue-router-3.4.3.tgz#fa93768616ee338aa174f160ac965167fa572ffa"
-  integrity sha512-BADg1mjGWX18Dpmy6bOGzGNnk7B/ZA0RxuA6qedY/YJwirMfKXIDzcccmHbQI0A6k5PzMdMloc0ElHfyOoX35A==
+vue-router@^3.4.6:
+  version "3.4.6"
+  resolved "https://registry.yarnpkg.com/vue-router/-/vue-router-3.4.6.tgz#f7bda2c9a43d39837621c9a02ba7789f5daa24b2"
+  integrity sha512-kaXnB3pfFxhAJl/Mp+XG1HJMyFqrL/xPqV7oXlpXn4AwMmm6VNgf0nllW8ksflmZANfI4kdo0bVn/FYSsAolPQ==
 
 vue-style-loader@^4.1.0, vue-style-loader@^4.1.2:
   version "4.1.2"