Bump sphinx-argparse from 0.3.2 to 0.4.0

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] <support@github.com>

setup.py

@@ -79,7 +79,7 @@
     'nbsphinx==0.8.9',
     'pandoc==2.2',
     'pypandoc==1.10',
-    'sphinx-argparse==0.3.2',
+    'sphinx-argparse==0.4.0',
     'sphinx-copybutton==0.5.0',
     'sphinx==4.4.0',
     'sphinx_panels==0.6.0',