Bump myst-parser[linkify] from 2.0.0 to 4.0.1

Bumps [myst-parser[linkify]](https://github.com/executablebooks/MyST-Parser) from 2.0.0 to 4.0.1.
- [Release notes](https://github.com/executablebooks/MyST-Parser/releases)
- [Changelog](https://github.com/executablebooks/MyST-Parser/blob/master/CHANGELOG.md)
- [Commits](executablebooks/MyST-Parser@v2.0.0...v4.0.1)

---
updated-dependencies:
- dependency-name: myst-parser[linkify]
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pyproject.toml

@@ -11,7 +11,7 @@ dependencies = [
     "ablog==0.11.6",
     "libgravatar==1.0.4",
     "matplotlib>=3.10.1",
-    "myst-parser[linkify]==2.0.0",
+    "myst-parser[linkify]==4.0.1",
     "shibuya==2025.2.28",
     "sphinx==7.2.6",
     "sphinx-copybutton==0.5.2",