Update dependency hydrogen to v0.5.1-5

requirements.yml

@@ -36,7 +36,7 @@
   version: v11.6.5-10
   name: grafana
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-hydrogen.git
-  version: v0.5.1-4
+  version: v0.5.1-5
   name: hydrogen
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-jitsi.git
   version: v10888-1