Bump nuxt from 2.15.4 to 2.15.7

Bumps [nuxt](https://github.com/nuxt/nuxt.js) from 2.15.4 to 2.15.7.
- [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/v2.15.4...v2.15.7)

---
updated-dependencies:
- dependency-name: nuxt
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -16,7 +16,7 @@
     "dotenv": "^10.0.0",
     "moment": "^2.29.1",
     "node-sass": "^5.0.0",
-    "nuxt": "^2.15.4",
+    "nuxt": "^2.15.7",
     "nuxt-buefy": "^0.3.31",
     "nuxt-shopify": "^1.10.7",
     "sass-loader": "^10.1.1",