Bump sphinx-autodoc-typehints from 1.23.0 to 2.0.0

Bumps [sphinx-autodoc-typehints](https://github.com/tox-dev/sphinx-autodoc-typehints) from 1.23.0 to 2.0.0.
- [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@1.23.0...2.0.0)

---
updated-dependencies:
- dependency-name: sphinx-autodoc-typehints
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements/docs.txt

@@ -8,7 +8,7 @@ sphinxcontrib-fulltoc ==1.2.0
 sphinxcontrib-mockautodoc
 
 pt-lightning-sphinx-theme @ https://github.com/Lightning-AI/lightning_sphinx_theme/archive/master.zip
-sphinx-autodoc-typehints ==1.23.0
+sphinx-autodoc-typehints ==2.0.0
 sphinx-paramlinks ==0.6.0
 sphinx-togglebutton ==0.3.2
 sphinx-copybutton ==0.5.2