Upgrade: Bump hexo-generator-sitemap from 2.2.0 to 3.0.1

Bumps [hexo-generator-sitemap](https://github.com/hexojs/hexo-generator-sitemap) from 2.2.0 to 3.0.1.
- [Release notes](https://github.com/hexojs/hexo-generator-sitemap/releases)
- [Commits](hexojs/hexo-generator-sitemap@2.2.0...3.0.1)

---
updated-dependencies:
- dependency-name: hexo-generator-sitemap
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Close: #1001

Author: dependabot[bot]

package-lock.json

@@ -47,7 +47,7 @@
     "hexo": "^6.1.0",
     "hexo-cli": "^4.3.0",
     "hexo-generator-index": "^2.0.0",
-    "hexo-generator-sitemap": "^2.0.0",
+    "hexo-generator-sitemap": "^3.0.1",
     "hexo-generator-tag": "^1.0.0",
     "hexo-renderer-handlebars": "^2.0.2",
     "hexo-server": "^3.0.0",