Update dependency vue-router to v4

Author: renovate[bot]

package.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "vue": "2.7.16",
     "vue-i18n": "8.28.2",
-    "vue-router": "3.6.5"
+    "vue-router": "4.5.1"
   },
   "devDependencies": {
     "@babel/core": "7.26.10",