Bump vue-i18n from 11.2.8 to 11.3.0 in /frontend

Bumps [vue-i18n](https://github.com/intlify/vue-i18n/tree/HEAD/packages/vue-i18n) from 11.2.8 to 11.3.0.
- [Release notes](https://github.com/intlify/vue-i18n/releases)
- [Changelog](https://github.com/intlify/vue-i18n/blob/master/CHANGELOG.md)
- [Commits](https://github.com/intlify/vue-i18n/commits/v11.3.0/packages/vue-i18n)

---
updated-dependencies:
- dependency-name: vue-i18n
  dependency-version: 11.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

frontend/package-lock.json

@@ -17,7 +17,7 @@
     "axios": "^1.13.5",
     "sql.js": "^1.14.1",
     "vue": "^3.5.29",
-    "vue-i18n": "^11.2.8",
+    "vue-i18n": "^11.3.0",
     "vue-router": "^5.0.3",
     "vuetify": "^4.0.1"
   },