Bump pydantic from 2.12.5 to 2.13.1

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.12.5 to 2.13.1.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/v2.13.1/HISTORY.md)
- [Commits](pydantic/pydantic@v2.12.5...v2.13.1)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-version: 2.13.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,7 +1,7 @@
 couchbase==4.6.0
 fastapi==0.135.3
 httpx==0.28.1
-pydantic==2.12.5
+pydantic==2.13.1
 pydantic_settings==2.13.1
 pytest==9.0.3
 python-dotenv==1.2.2