pip prod(deps): update sphinx-autodoc-typehints requirement

Updates the requirements on [sphinx-autodoc-typehints](https://github.com/tox-dev/sphinx-autodoc-typehints) to permit the latest version.
- [Release notes](https://github.com/tox-dev/sphinx-autodoc-typehints/releases)
- [Changelog](https://github.com/tox-dev/sphinx-autodoc-typehints/blob/main/CHANGELOG.md)
- [Commits](tox-dev/sphinx-autodoc-typehints@1.0.0...2.3.0)

---
updated-dependencies:
- dependency-name: sphinx-autodoc-typehints
  dependency-type: direct:production
...

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

pyproject.toml

@@ -37,7 +37,7 @@ black = { optional = true, version = "*" }
 pytest-cov = { optional = true, version = "*" }
 sphinx = { optional = true, version = "<8" }                         # see issue at https://github.com/readthedocs/readthedocs.org/issues/10279
 nbsphinx = { optional = true, version = "<=0.9.5" }
-sphinx-autodoc-typehints = { optional = true, version = "<=1.23.0" }
+sphinx-autodoc-typehints = { optional = true, version = "<=2.3.0" }
 sphinx_rtd_theme = { optional = true, version = "<=3.0.2" }
 readthedocs-sphinx-ext = { optional = true, version = "<=2.2.5" }
 recommonmark = { optional = true, version = "<=0.7.1" }