Bump markdown-it-py from 3.0.0 to 4.0.0

Bumps [markdown-it-py](https://github.com/executablebooks/markdown-it-py) from 3.0.0 to 4.0.0.
- [Release notes](https://github.com/executablebooks/markdown-it-py/releases)
- [Changelog](https://github.com/executablebooks/markdown-it-py/blob/master/CHANGELOG.md)
- [Commits](executablebooks/markdown-it-py@v3.0.0...v4.0.0)

---
updated-dependencies:
- dependency-name: markdown-it-py
  dependency-version: 4.0.0
  dependency-type: indirect
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements/constraints.txt

@@ -107,7 +107,7 @@ jinja2==3.1.6
     # via
     #   sphinx
     #   towncrier
-markdown-it-py==3.0.0
+markdown-it-py==4.0.0
     # via rich
 markupsafe==3.0.2
     # via jinja2

requirements/dev.txt

@@ -105,7 +105,7 @@ jinja2==3.1.6
     # via
     #   sphinx
     #   towncrier
-markdown-it-py==3.0.0
+markdown-it-py==4.0.0
     # via rich
 markupsafe==3.0.2
     # via jinja2

requirements/lint.txt

@@ -41,7 +41,7 @@ iniconfig==2.1.0
     # via pytest
 isal==1.7.2
     # via -r requirements/lint.in
-markdown-it-py==3.0.0
+markdown-it-py==4.0.0
     # via rich
 mdurl==0.1.2
     # via markdown-it-py

requirements/test.txt

@@ -53,7 +53,7 @@ iniconfig==2.1.0
     # via pytest
 isal==1.7.2 ; python_version < "3.14"
     # via -r requirements/test.in
-markdown-it-py==3.0.0
+markdown-it-py==4.0.0
     # via rich
 mdurl==0.1.2
     # via markdown-it-py