build(deps): bump markdown from 3.8.1 to 3.11

[dependabot]

Bumps markdown from 3.8.1 to 3.11.

Release notes

Sourced from markdown's releases.

Release 3.11.0

Changed

• Inline processors now resume searching after the previous match, improving performance for repeated inline patterns (#1619).
• Officially support Python 3.15 and drop support for Python 3.10
• Walk backtick runs in BacktickInlineProcessor without a regex (#1620).
• Switch static site generator for documentation from MkDocs to Zensical (#1627, #1635, #1637, and #1638).

Fixed

• Ensure removing Abbreviations does not raise an error (#1634).
• Fix an issue with excessive backtracking when matching inline code blocks (#1617).
• md_in_html now honors tags added to Markdown.block_level_elements after the extension is loaded (#1246).
• Fix quadratic-time regex backtracking in ReferenceProcessor when a link reference definition has no URL, e.g. a line consisting only of [id]: followed by many trailing spaces (#798).
• Document attr_list usage for def_list (#1123).

Release 3.10.3

Fixed

• Fix SetextHeaderProcessor regex to prevent mixed = and - chars in setext-style headers (#1606).
• Add AI Policy to Contributing Guide.
• Officially document all included extensions as being in maintenance mode.
• Link the Extension API documentation to the API Reference (#1612).

Release 3.10.2

Fixed

• Fix a regression related to comment handling (#1590).
• More reliable fix for </ (#1593).

Release 3.10.1

Fixed

• Ensure nested elements inside inline comments are properly unescaped (#1571).
• Make the docs build successfully with mkdocstrings-python 2.0 (#1575).
• Fix infinite loop when multiple bogus or unclosed HTML comments appear in input (#1578).
• Fix another infinite loop when handling bad comments (#1586).

Release 3.10.0

Changed

• Officially support Python 3.14 and PyPy 3.11 and drop support for Python 3.9 and PyPy 3.9.

Fixed

... (truncated)

Changelog

Sourced from markdown's changelog.

---

title: Changelog toc_depth: 2

Python-Markdown Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to the Python Version Specification. See the Contributing Guide for details.

[Unreleased]

• Update serializer to be non-recursive (#1644).
• Improve ancestor handling in the inline Treeprocessor (#1646).

[3.11.0] - 2026-09-25

Changed

• Inline processors now resume searching after the previous match, improving performance for repeated inline patterns (#1619).
• Officially support Python 3.15 and drop support for Python 3.10
• Walk backtick runs in BacktickInlineProcessor without a regex (#1620).
• Switch static site generator for documentation from MkDocs to Zensical (#1627, #1635, #1637, and #1638).

Fixed

• Ensure removing Abbreviations does not raise an error (#1634).
• Fix an issue with excessive backtracking when matching inline code blocks (#1617).
• md_in_html now honors tags added to Markdown.block_level_elements after the extension is loaded (#1246).
• Fix quadratic-time regex backtracking in ReferenceProcessor when a link reference definition has no URL, e.g. a line consisting only of [id]: followed by many trailing spaces (#798).
• Document attr_list usage for def_list (#1123).

[3.10.3] - 2026-07-30

Fixed

• Fix SetextHeaderProcessor regex to prevent mixed = and - chars in setext-style headers (#1606).
• Add AI Policy to Contributing Guide.
• Officially document all included extensions as being in maintenance mode.
• Link the Extension API documentation to the API Reference (#1612).

... (truncated)

Commits

• 0ffbf00 Bump version to 3.11.0
• 547a934 Show adminitions as rendered examples in contrbuting guide
• 571f050 Cleanup archived changelog
• a5176b0 Ensure py-render codeblock title in properly escaped.
• 819fff9 Document the use of attr_list with def_list.
• 36cdbd3 Final cleanup for Zensical transition
• 8a96db5 Add py-render custom code block formater
• 5d1363c Fix quadratic-time backtracking when a reference link has no URL
• 0d6afd1 Add Markdown renderer as superfences formatter
• 175fb5a Ensure removing Abbreviations does not raise an error.
• Additional commits viewable in compare view

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[codacy-production]

Up to standards ✅

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