fix(deps): bump nuxt-i18n from 6.20.6 to 6.21.0

Bumps [nuxt-i18n](https://github.com/nuxt-community/i18n-module) from 6.20.6 to 6.21.0.
- [Release notes](https://github.com/nuxt-community/i18n-module/releases)
- [Changelog](https://github.com/nuxt-community/i18n-module/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nuxt-community/i18n-module/compare/v6.20.6...v6.21.0)

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

package.json

@@ -16,7 +16,7 @@
     "@nuxtjs/sitemap": "^2.4.0",
     "@tailwindcss/typography": "0.4.0",
     "nuxt": "2.15.3",
-    "nuxt-i18n": "6.20.6",
+    "nuxt-i18n": "6.21.0",
     "prism-themes": "1.5.0",
     "sass": "1.32.8",
     "sass-loader": "11.0.1"