Bump comrak from 0.18.0 to 0.19.0

Bumps [comrak](https://github.com/kivikakk/comrak) from 0.18.0 to 0.19.0.
- [Release notes](https://github.com/kivikakk/comrak/releases)
- [Changelog](https://github.com/kivikakk/comrak/blob/main/changelog.txt)
- [Commits](kivikakk/comrak@0.18.0...0.19.0)

---
updated-dependencies:
- dependency-name: comrak
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -5,7 +5,7 @@ edition = "2021"
 
 [dependencies]
 magnus =  "0.5"
-comrak = { version = "0.18", features = ["shortcodes"] }
+comrak = { version = "0.19", features = ["shortcodes"] }
 syntect = { version = "5.1", features = ["plist-load"] }
 
 [lib]