⬆️ Bump pydantic from 2.10.4 to 2.10.5 in /backend

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.10.4 to 2.10.5.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.10.4...v2.10.5)

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

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

backend/requirements.txt

@@ -30,7 +30,7 @@ pluggy==1.5.0 ; python_version >= "3.10" and python_version < "4.0"
 propcache==0.2.1 ; python_version >= "3.10" and python_version < "4.0"
 pyasn1==0.6.1 ; python_version >= "3.10" and python_version < "4.0"
 pydantic-core==2.27.2 ; python_version >= "3.10" and python_version < "4.0"
-pydantic==2.10.4 ; python_version >= "3.10" and python_version < "4.0"
+pydantic==2.10.5 ; python_version >= "3.10" and python_version < "4.0"
 pyhumps==3.8.0 ; python_version >= "3.10" and python_version < "4.0"
 pytest-env==1.1.5 ; python_version >= "3.10" and python_version < "4.0"
 pytest==8.3.4 ; python_version >= "3.10" and python_version < "4.0"