fix(deps): bump nuxt from 2.15.6 to 2.15.7

Bumps [nuxt](https://github.com/nuxt/nuxt.js) from 2.15.6 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/v2.15.6...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

@@ -46,7 +46,7 @@
     "cron-validator": "^1.2.1",
     "cronstrue": "^1.114.0",
     "crypto-js": "^4.0.0",
-    "nuxt": "^2.15.6",
+    "nuxt": "^2.15.7",
     "nuxt-i18n": "^6.27.0",
     "qrcode.vue": "^1.7.0",
     "vuetify": "^2.5.3",