Bump nuxt from 2.12.2 to 2.13.3

Bumps [nuxt](https://github.com/nuxt/nuxt.js) from 2.12.2 to 2.13.3.
- [Release notes](https://github.com/nuxt/nuxt.js/releases)
- [Changelog](https://github.com/nuxt/nuxt.js/blob/dev/RELEASE_PLAN.md)
- [Commits](https://github.com/nuxt/nuxt.js/compare/v2.12.2...v2.13.3)

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

package.json

@@ -16,7 +16,7 @@
     "dotenv": "^8.2.0",
     "moment": "^2.26.0",
     "node-sass": "^4.14.1",
-    "nuxt": "^2.12.2",
+    "nuxt": "^2.13.3",
     "nuxt-buefy": "^0.3.31",
     "nuxt-shopify": "^1.10.0",
     "sass-loader": "^8.0.2",