Update pydantic requirement from >=2 to >=2.13.3

Updates the requirements on [pydantic](https://github.com/pydantic/pydantic) to permit the latest version.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.0...v2.13.3)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-version: 2.13.3
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
 urllib3 >= 1.25.3, < 3.0.0
 python_dateutil >= 2.8.2
-pydantic >= 2
+pydantic >= 2.13.3
 typing-extensions >= 4.13.2