Bump erusev/parsedown from 1.7.4 to 1.8.0

Bumps [erusev/parsedown](https://github.com/erusev/parsedown) from 1.7.4 to 1.8.0.
- [Release notes](https://github.com/erusev/parsedown/releases)
- [Commits](erusev/parsedown@1.7.4...1.8.0)

---
updated-dependencies:
- dependency-name: erusev/parsedown
  dependency-version: 1.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]