Bump markdown from 3.8 to 3.8.1

Bumps [markdown](https://github.com/Python-Markdown/markdown) from 3.8 to 3.8.1.
- [Release notes](https://github.com/Python-Markdown/markdown/releases)
- [Changelog](https://github.com/Python-Markdown/markdown/blob/master/docs/changelog.md)
- [Commits](https://github.com/Python-Markdown/markdown/compare/3.8...3.8.1)

---
updated-dependencies:
- dependency-name: markdown
  dependency-version: 3.8.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pyproject.toml

@@ -36,7 +36,7 @@ pytz = "^2025.2"
 rtreelib = "==0.2.0"
 werkzeug = "^3.1.3"
 wtforms = "~=3.1"
-markdown = "^3.7"
+markdown = "^3.8"
 mistune = "^3.1.3"
 async-timeout = "^5.0.1"
 bleach = "^6.1.0"