Bump mistune from 3.1.1 to 3.2.1 in /Python

Bumps [mistune](https://github.com/lepture/mistune) from 3.1.1 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@v3.1.1...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]

Python/requirements-notebook.txt

@@ -49,7 +49,7 @@ kiwisolver==1.4.8
 MarkupSafe==3.0.2
 matplotlib==3.10.0
 matplotlib-inline==0.1.7
-mistune==3.1.1
+mistune==3.2.1
 nbclient==0.10.2
 nbconvert==7.17.1
 nbformat==5.10.4