chore(deps): Bump @intlify/core-base and vue-i18n in /frontend

Bumps [@intlify/core-base](https://github.com/intlify/vue-i18n/tree/HEAD/packages/core) to 9.14.2 and updates ancestor dependency [vue-i18n](https://github.com/intlify/vue-i18n/tree/HEAD/packages/vue-i18n). These dependencies need to be updated together.


Updates `@intlify/core-base` from 9.10.1 to 9.14.2
- [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/v9.14.2/packages/core)

Updates `vue-i18n` from 9.10.1 to 9.14.2
- [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/v9.14.2/packages/vue-i18n)

---
updated-dependencies:
- dependency-name: "@intlify/core-base"
  dependency-type: indirect
- dependency-name: vue-i18n
  dependency-type: direct:production
...

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

frontend/package.json

@@ -16,7 +16,7 @@
     "luxon": "^3.4.4",
     "papaparse": "^5.4.1",
     "vue": "^3.4.21",
-    "vue-i18n": "^9.10.1",
+    "vue-i18n": "^9.14.2",
     "webpack-bundle-tracker": "^3.0.1"
   },
   "devDependencies": {