Bump vue-i18n from 9.3.0 to 9.4.0 (#598)

Bumps [vue-i18n](https://github.com/intlify/vue-i18n-next/tree/HEAD/packages/vue-i18n) from 9.3.0 to 9.4.0.
- [Release notes](https://github.com/intlify/vue-i18n-next/releases)
- [Changelog](https://github.com/intlify/vue-i18n-next/blob/master/CHANGELOG.md)
- [Commits](https://github.com/intlify/vue-i18n-next/commits/v9.4.0/packages/vue-i18n)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -38,7 +38,7 @@
         "pofile": "^1.1.4",
         "split.js": "^1.6.5",
         "vue": "^3.3.4",
-        "vue-i18n": "^9.3.0",
+        "vue-i18n": "^9.4.0",
         "vue-multiselect": "^3.0.0-beta.2",
         "vue-router": "^4.2.4",
         "vue3-datepicker": "^0.4.0"