[Rspamd] Update to 3.7.1

docker-compose.yml

@@ -78,7 +78,7 @@ services:
             - clamd
 
     rspamd-mailcow:
-      image: mailcow/rspamd:1.92
+      image: mailcow/rspamd:1.93
       stop_grace_period: 30s
       depends_on:
         - dovecot-mailcow