[Security] Bump marked from 0.3.6 to 0.6.0

Bumps [marked](https://github.com/markedjs/marked) from 0.3.6 to 0.6.0. **This update includes security fixes.**
- [Release notes](https://github.com/markedjs/marked/releases)
- [Commits](https://github.com/markedjs/marked/compare/v0.3.6...v0.6.0

)

Signed-off-by: dependabot[bot] <support@dependabot.com>
Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>