Bump marked from 1.2.5 to 2.0.0 in /flaskbb/themes/aurora
Bumps [marked](https://github.com/markedjs/marked) from 1.2.5 to 2.0.0.
- [Release notes](https://github.com/markedjs/marked/releases)
- [Changelog](https://github.com/markedjs/marked/blob/master/release.config.js)
- [Commits](https://github.com/markedjs/marked/compare/v1.2.5...v2.0.0)
Signed-off-by: dependabot[bot] <support@github.com>