Update myst-parser requirement from ~=1.0.0 to ~=4.0.0

Updates the requirements on [myst-parser](https://github.com/executablebooks/MyST-Parser) to permit the latest version.
- [Release notes](https://github.com/executablebooks/MyST-Parser/releases)
- [Changelog](https://github.com/executablebooks/MyST-Parser/blob/master/CHANGELOG.md)
- [Commits](executablebooks/MyST-Parser@v1.0.0...v4.0.0)

---
updated-dependencies:
- dependency-name: myst-parser
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -95,7 +95,7 @@ docs = [
     'mkdocs-material-extensions~=1.3.1',
     'mkdocs-material~=9.5.36',
     'mkdocs~=1.6.1',
-    'myst-parser~=1.0.0',
+    'myst-parser~=4.0.0',
     'sphinx-click~=4.4.0',
     'sphinx-markdown-builder~=0.6.7',
     'sphinx~=6.1.3',