Bump haml from 5.1.1 to 5.1.2
Bump haml from 5.1.1 to 5.1.2

Bumps [haml](https://github.com/haml/haml) from 5.1.1 to 5.1.2.
- [Release notes](https://github.com/haml/haml/releases)
- [Changelog](https://github.com/haml/haml/blob/master/CHANGELOG.md)
- [Commits](https://github.com/haml/haml/compare/v5.1.1...v5.1.2)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
gocd/gocd.github.io,gocd/www.go.cd,GaneshSPatil/www.go.cd,gocd/gocd.github.io,gocd/www.go.cd,GaneshSPatil/www.go.cd,gocd/www.go.cd,gocd/www.go.cd,gocd/gocd.github.io,GaneshSPatil/www.go.cd,GaneshSPatil/www.go.cd,gocd/gocd.github.io