[Security] Bump rails-html-sanitizer from 1.0.3 to 1.2.0
[Security] Bump rails-html-sanitizer from 1.0.3 to 1.2.0

Bumps [rails-html-sanitizer](https://github.com/rails/rails-html-sanitizer) from 1.0.3 to 1.2.0. **This update includes a security fix.**
- [Release notes](https://github.com/rails/rails-html-sanitizer/releases)
- [Changelog](https://github.com/rails/rails-html-sanitizer/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rails/rails-html-sanitizer/compare/v1.0.3...v1.2.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
KevinBongart/valid_attribute,KevinBongart/valid_attribute,KevinBongart/valid_attribute