Update mistune to 3.1.2

[pyup-bot]

This PR updates mistune from 0.8.4 to 3.1.2.

Changelog

3.1.2

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**Released on Feb 19, 2025**

* Fix ``footnotes`` plugin for AST renderer

3.1.1

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**Released on Jan 28, 2025**

* Fix ``render_toc_ul`` method for empty iterable
* Fix ruby plugin's regex pattern and HTML rendering

3.1.0

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**Released on Dec 30, 2024**

* Fix only HTML-escape URLs when rendering to HTML
* Add block_quote prefix on empty lines too

3.0.2

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**Released on Sep 30, 2023**

* Fix list parser to avoid RecursionError

3.0.1

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**Released on Jun 10, 2023**

* Add ``py.typed`` for mypy
* Add ``tests``, ``docs`` for sdist
* Support ``renderer="ast"`` for rendering AST

3.0.0

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**Released on Jun 08, 2023**

* Do not strip leading unicode spaces like emsp
* Ensure new line at end of the text

3.0.0rc5

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**Released on Mar 22, 2023**

* Fix fenced directives
* Fix inline link parser
* Fix block math plugin for multiple lines
* Fix empty list item for markdown renderer

3.0.0rc4

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**Released on Nov 30, 2022**

* Fix plugin footnotes when there is no newline at the end
* Move safe HTML entities to HTMLRenderer
* Redesign directives parsing
* Add Image and Figure directive

3.0.0rc3

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**Released on Nov 25, 2022**

* Render inline math with ``\(`` and ``\)``
* Added ``RSTRenderer``, and ``MarkdownRenderer``
* Fix ``toc_hook`` method
* **Breaking change**, rename ``RstDirective`` to ``RSTDirective``

3.0.0rc2

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**Released on Nov 6, 2022**

* Add **spoiler** plugin
* Add ``collapse`` option for ``TableOfContents`` directive
* **Breaking change** on directive design, added fenced directive

3.0.0rc1

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**Released on Sep 26, 2022**

* Add **superscript** plugin

3.0.0a3

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**Released on Jul 14, 2022**

* Fix ruby plugin
* Change toc parameter ``depth`` to ``level``

3.0.0a2

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**Released on Jul 13, 2022**

* Escape block code in HTMLRenderer
* Fix parsing links

3.0.0a1

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**Released on Jul 12, 2022**

This is the first release of v3. Features included:

* redesigned mistune
* plugins
* directives

Links

• PyPI: https://pypi.org/project/mistune
• Changelog: https://data.safetycli.com/changelogs/mistune/

[pyup-bot]

Closing this in favor of #694