Bump antisamy-markup-formatter from 2.1 to 2.3

Bumps [antisamy-markup-formatter](https://github.com/jenkinsci/antisamy-markup-formatter-plugin) from 2.1 to 2.3.
- [Release notes](https://github.com/jenkinsci/antisamy-markup-formatter-plugin/releases)
- [Changelog](https://github.com/jenkinsci/antisamy-markup-formatter-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jenkinsci/antisamy-markup-formatter-plugin/compare/antisamy-markup-formatter-2.1...antisamy-markup-formatter-2.3

)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:antisamy-markup-formatter
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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