Bump mistune from 3.2.0 to 3.2.1

Bumps [mistune](https://github.com/lepture/mistune) from 3.2.0 to 3.2.1.
- [Release notes](https://github.com/lepture/mistune/releases)
- [Changelog](https://github.com/lepture/mistune/blob/main/docs/changes.rst)
- [Commits](lepture/mistune@v3.2.0...v3.2.1)

---
updated-dependencies:
- dependency-name: mistune
  dependency-version: 3.2.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements-notebook.txt

@@ -50,7 +50,7 @@ lark==1.3.1
 MarkupSafe==3.0.3
 matplotlib==3.10.8
 matplotlib-inline==0.2.1
-mistune==3.2.0
+mistune==3.2.1
 mplfinance==0.12.10b0
 nbclient==0.10.4
 nbconvert==7.17.1