chore(deps): bump pydantic from 2.5.3 to 2.13.4 in /app/ai-service

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.5.3 to 2.13.4.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.5.3...v2.13.4)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-version: 2.13.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

app/ai-service/requirements-prod.txt

@@ -7,7 +7,7 @@ uvicorn[standard]==0.27.0
 gunicorn==21.2.0
 
 # Data validation and settings management
-pydantic==2.5.3
+pydantic==2.13.4
 pydantic-settings==2.1.0
 
 # Environment variable management

app/ai-service/requirements.txt

@@ -8,7 +8,7 @@ uvicorn[standard]==0.27.0
 python-multipart==0.0.6
 
 # Data validation and settings management
-pydantic==2.5.3
+pydantic==2.13.4
 pydantic-settings==2.1.0
 
 # Environment variable management