Bump sitemap_generator from 6.1.2 to 6.2.1
Bump sitemap_generator from 6.1.2 to 6.2.1

Bumps [sitemap_generator](https://github.com/kjvarga/sitemap_generator) from 6.1.2 to 6.2.1.
- [Release notes](https://github.com/kjvarga/sitemap_generator/releases)
- [Changelog](https://github.com/kjvarga/sitemap_generator/blob/master/CHANGES.md)
- [Commits](https://github.com/kjvarga/sitemap_generator/compare/v6.1.2...v6.2.1)

---
updated-dependencies:
- dependency-name: sitemap_generator
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
kenchan/tdnm,kenchan/tdnm,kenchan/tdnm,kenchan/tdnm