Bump pydantic from 2.7.3 to 2.8.0

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.7.3 to 2.8.0.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.7.3...v2.8.0)

---
updated-dependencies:
- dependency-name: pydantic
  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==4.3.0
 fastapi==0.111.0
 httpx==0.27.0
-pydantic==2.7.3
+pydantic==2.8.0
 pydantic_settings==2.3.4
 pytest==8.2.2
 python-dotenv==1.0.1