fix(deps): bump nuxt from 2.15.1 to 2.15.2

Bumps [nuxt](https://github.com/nuxt/nuxt.js) from 2.15.1 to 2.15.2.
- [Release notes](https://github.com/nuxt/nuxt.js/releases)
- [Changelog](https://github.com/nuxt/nuxt.js/blob/dev/RELEASE_PLAN.md)
- [Commits](nuxt/nuxt@v2.15.1...v2.15.2)

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

package.json

@@ -27,7 +27,7 @@
     "@nuxtjs/bulma": "^1.3.0",
     "@nuxtjs/pwa": "^3.3.5",
     "node-sass": "^5.0.0",
-    "nuxt": "^2.15.1",
+    "nuxt": "^2.15.2",
     "sass-loader": "^10.1.1",
     "vuex": "^3.6.2"
   },