Bump exercise/htmlpurifier-bundle from 3.0 to 3.0.1
Bump exercise/htmlpurifier-bundle from 3.0 to 3.0.1

Bumps [exercise/htmlpurifier-bundle](https://github.com/Exercise/HTMLPurifierBundle) from 3.0 to 3.0.1.
- [Release notes](https://github.com/Exercise/HTMLPurifierBundle/releases)
- [Changelog](https://github.com/Exercise/HTMLPurifierBundle/blob/master/CHANGELOG)
- [Commits](https://github.com/Exercise/HTMLPurifierBundle/compare/v3.0...v3.0.1)

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