fix(deps): bump nuxt from 2.15.7 to 2.15.8

Bumps [nuxt](https://github.com/nuxt/nuxt.js) from 2.15.7 to 2.15.8.
- [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/v2.15.7...v2.15.8)

---
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

@@ -51,7 +51,7 @@
     "crypto-js": "^4.1.1",
     "markdown-it-anchor": "^8.1.2",
     "markdown-it-highlightjs": "^3.5.0",
-    "nuxt": "^2.15.7",
+    "nuxt": "^2.15.8",
     "nuxt-i18n": "^6.28.1",
     "qrcode.vue": "^3.2.2",
     "vue-plausible": "^1.2.1",