fix(deps): bump nuxt from 2.15.2 to 2.15.3

Bumps [nuxt](https://github.com/nuxt/nuxt.js) from 2.15.2 to 2.15.3.
- [Release notes](https://github.com/nuxt/nuxt.js/releases)
- [Changelog](https://github.com/nuxt/nuxt.js/blob/dev/RELEASE_PLAN.md)
- [Commits](nuxt/nuxt@v2.15.2...v2.15.3)

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

package.json

@@ -24,7 +24,7 @@
   "dependencies": {
     "@nuxtjs/pwa": "^3.3.5",
     "flag-icon-css": "^3.5.0",
-    "nuxt": "^2.15.2",
+    "nuxt": "^2.15.3",
     "nuxt-buefy": "^0.4.4",
     "nuxt-i18n": "^6.21.0",
     "nuxt-property-decorator": "^2.9.1",