Upgrade container-socket-proxy (v0.3.0-3 -> v0.3.0-4)

requirements.yml

@@ -7,7 +7,7 @@
   version: v1.4.0-1.9.10-4
   name: backup_borg
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-container-socket-proxy.git
-  version: v0.3.0-3
+  version: v0.3.0-4
   name: container_socket_proxy
 - src: git+https://github.com/geerlingguy/ansible-role-docker
   version: 7.4.5