fix(deps): bump @nuxtjs/i18n from 7.0.3 to 7.2.2 in /frontend (#1288)

Bumps [@nuxtjs/i18n](https://github.com/nuxt-community/i18n-module) from 7.0.3 to 7.2.2.
- [Release notes](https://github.com/nuxt-community/i18n-module/releases)
- [Changelog](https://github.com/nuxt-community/i18n-module/blob/main/CHANGELOG.md)
- [Commits](https://github.com/nuxt-community/i18n-module/compare/v7.0.3...v7.2.2)

---
updated-dependencies:
- dependency-name: "@nuxtjs/i18n"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

frontend/package.json

@@ -18,7 +18,7 @@
     "@mdi/js": "^6.7.96",
     "@nuxtjs/auth-next": "5.0.0-1624817847.21691f1",
     "@nuxtjs/axios": "^5.13.6",
-    "@nuxtjs/i18n": "^7.0.3",
+    "@nuxtjs/i18n": "^7.2.2",
     "@nuxtjs/proxy": "^2.1.0",
     "@nuxtjs/pwa": "^3.3.5",
     "@vue/composition-api": "^1.6.2",