fix(deps): update dependency vuetify to v3.9.1

Author: renovate[bot]

frontend/package-lock.json

@@ -19,7 +19,7 @@
     "sass": "1.87.0",
     "vue": "3.5.13",
     "vue-router": "4.5.1",
-    "vuetify": "3.8.1"
+    "vuetify": "3.9.1"
   },
   "devDependencies": {
     "@ianvs/prettier-plugin-sort-imports": "4.4.1",