Added pulling notifications from new backend-pull-notifications service

requirements.txt

@@ -5,10 +5,13 @@ annotated-types==0.7.0
 anyio==4.11.0
 argon2-cffi==25.1.0
 argon2-cffi-bindings==25.1.0
+certifi==2026.7.22
 cffi==2.0.0
 click==8.3.0
 fastapi==0.119.0
 h11==0.16.0
+httpcore==1.0.9
+httpx==0.28.1
 idna==3.11
 lib-db-module==0.2.0
 lib-secret-manager==0.2.0