Bump sphinx-argparse from 0.3.2 to 0.4.0 (mosaicml#1726)

Bumps [sphinx-argparse](https://github.com/ashb/sphinx-argparse) from 0.3.2 to 0.4.0.
- [Release notes](https://github.com/ashb/sphinx-argparse/releases)
- [Changelog](https://github.com/ashb/sphinx-argparse/blob/main/docs/changelog.rst)
- [Commits](sphinx-doc/sphinx-argparse@0.3.2...v0.4.0)

---
updated-dependencies:
- dependency-name: sphinx-argparse
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

setup.py

@@ -113,7 +113,7 @@ def package_files(prefix: str, directory: str, extension: str):
     # https://myst-parser.readthedocs.io/en/latest/sphinx/use.html?highlight=parser#include-markdown-files-into-an-rst-file
     'docutils==0.17.1',
     'sphinx_markdown_tables==0.0.17',
-    'sphinx-argparse==0.3.2',
+    'sphinx-argparse==0.4.0',
     'sphinxcontrib.katex==0.9.0',
     'sphinxext.opengraph==0.6.3',
     'sphinxemoji==0.2.0',