build(deps-dev): bump @nuxtjs/sitemap from 6.1.4 to 6.1.5

Bumps [@nuxtjs/sitemap](https://github.com/nuxt-modules/sitemap) from 6.1.4 to 6.1.5.
- [Release notes](https://github.com/nuxt-modules/sitemap/releases)
- [Commits](nuxt-modules/sitemap@v6.1.4...v6.1.5)

---
updated-dependencies:
- dependency-name: "@nuxtjs/sitemap"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -22,7 +22,7 @@
     "@nuxt/image": "^1.8.1",
     "@nuxtjs/i18n": "^8.5.5",
     "@nuxtjs/robots": "^4.1.11",
-    "@nuxtjs/sitemap": "^6.1.4",
+    "@nuxtjs/sitemap": "^6.1.5",
     "@nuxtjs/svg-sprite": "^1.0.2",
     "@rezo-zero/intervention-request-provider": "^1.1.1",
     "@rezo-zero/nuxt-cache-control": "^0.1.6",