Bump rdiscount from 2.1.8 to 2.2.0.1
Bump rdiscount from 2.1.8 to 2.2.0.1

Bumps [rdiscount](https://github.com/davidfstr/rdiscount) from 2.1.8 to 2.2.0.1.
- [Release notes](https://github.com/davidfstr/rdiscount/releases)
- [Changelog](https://github.com/davidfstr/rdiscount/blob/master/CHANGELOG.md)
- [Commits](https://github.com/davidfstr/rdiscount/compare/2.1.8...2.2.0.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
helpyio/helpy,helpyio/helpy,helpyio/helpy,scott/helpy__helpdesk_knowledgebase,scott/helpy__helpdesk_knowledgebase,helpyio/helpy,scott/helpy__helpdesk_knowledgebase