Bump mistune from 2.0.0rc1 to 3.0.0rc1

Bumps [mistune](https://github.com/lepture/mistune) from 2.0.0rc1 to 3.0.0rc1.
- [Release notes](https://github.com/lepture/mistune/releases)
- [Changelog](https://github.com/lepture/mistune/blob/master/docs/changes.rst)
- [Commits](lepture/mistune@v2.0.0rc1...v3.0.0rc1)

---
updated-dependencies:
- dependency-name: mistune
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

poetry.lock

@@ -16,7 +16,7 @@ mkdocs-git-revision-date-plugin = "^0.3.1"
 toml = "^0.10.2"
 "pyChart.JS" = "^0.3.0"
 waybackpy = "^2.4.3"
-mistune = {version = "2.0.0rc1", allow-prereleases = true}
+mistune = {version = "3.0.0rc1", allow-prereleases = true}
 pybadges = "^2.2.1"
 
 [tool.poetry.dev-dependencies]