Limit the size of logs more severly

The goal is to:
* limit the amount of  (potentially) PII data by limiting retention time
* make sure the disk doesn't fill up with log data
* make it easier to look at logs on the system without having to wade through many old entries

resources/chaosknoten/matrix-sync/docker_compose/compose.yaml.j2

@@ -18,8 +18,3 @@ services:
     restart: unless-stopped
     volumes:
       - ./configs:/configs
-    logging:
-      driver: "json-file"
-      options:
-        max-size: "50m"
-        max-file: "3"

roles/deploy_systemd_journal_config/files/10-ccchh.conf

@@ -1,5 +1,8 @@
 [Journal]
-MaxFileSec=2day
-MaxRetentionSec=2week
+SystemMaxUse=1G
+SystemMaxFileSize=10M
+RuntimeMaxFileSize=10M
+MaxFileSec=4h
+MaxRetentionSec=8day
 
 ForwardToSyslog=no