* Fix convert_underscores=False for header Pydantic models.
* Add docs examples and tests (support) for Annotated custom validations,
like AfterValidator.
* Update internal annotation usage for compatibility with Pydantic 2.11.
* Ensure that HTTPDigest only raises an exception when auto_error is True.
- Drop remove-classifiers.patch, no longer required.
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-fastapi?expand=0&rev=90
