Merge pull request #631 from rpgrca/dependabot/pip/back-end/pydantic-2.12.4

Bump pydantic from 2.12.3 to 2.12.4 in /back-end

Author: rpgrca

back-end/requirements.txt

@@ -8,7 +8,7 @@ h11==0.16.0
 idna==3.11
 immutables==0.21
 importlib-metadata==8.7.0
-pydantic==2.12.3
+pydantic==2.12.4
 python-multipart==0.0.20
 six==1.17.0
 sniffio==1.3.1