Update Helm release postgres-cluster to v6

clusters/cl01tl/platform/matrix-synapse/values.yaml

@@ -130,7 +130,7 @@ matrix-hookshot:
         main:
           image:
             repository: halfshot/matrix-hookshot
-            tag: 7.1.0
+            tag: 7.0.0
             pullPolicy: IfNotPresent
           resources:
             requests:

hosts/ps10rp/gitea/compose.yaml

@@ -19,7 +19,7 @@ services:
             - /dev/net/tun:/dev/net/tun
 
     postgresql:
-        image: docker.io/postgres:17.6-alpine3.21
+        image: docker.io/postgres:17.5-alpine3.21
         container_name: gitea-postgres
         env_file:
             - .env