⬆️ Update myst-parser requirement from ~=3.0.1 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@v3.0.1...v4.0.0)

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

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

pyproject.toml

@@ -58,7 +58,7 @@ docs = [
     'sphinx-design~=0.5.0',
     'sphinxcontrib-details-directive~=0.1.0',
     'sphinx-autoapi~=3.0',
-    'myst_parser~=3.0.1',
+    'myst_parser~=4.0.0',
     "furo",
     "sphinx-autodoc2"
 ]