dovecot: bump to docker image 1.28.1

data/Dockerfiles/dovecot/syslog-ng-redis_slave.conf

@@ -7,6 +7,7 @@ options {
   use_fqdn(no);
   owner("root"); group("adm"); perm(0640);
   stats(freq(0));
+  keep_timestamp(no);
   bad_hostname("^gconfd$");
 };
 source s_dgram {

data/Dockerfiles/dovecot/syslog-ng.conf

@@ -7,6 +7,7 @@ options {
   use_fqdn(no);
   owner("root"); group("adm"); perm(0640);
   stats(freq(0));
+  keep_timestamp(no);
   bad_hostname("^gconfd$");
 };
 source s_dgram {

data/Dockerfiles/sogo/Dockerfile

@@ -1,8 +1,8 @@
-FROM debian:bookworm-slim
+FROM debian:bullseye-slim
 LABEL maintainer "The Infrastructure Company GmbH GmbH <info@servercow.de>"
 
 ARG DEBIAN_FRONTEND=noninteractive
-ARG DEBIAN_VERSION=bookworm
+ARG DEBIAN_VERSION=bullseye
 ARG SOGO_DEBIAN_REPOSITORY=http://www.axis.cz/linux/debian
 # renovate: datasource=github-releases depName=tianon/gosu versioning=semver-coerced extractVersion=^(?<version>.*)$
 ARG GOSU_VERSION=1.17

docker-compose.yml

@@ -175,7 +175,7 @@ services:
             - phpfpm
 
     sogo-mailcow:
-      image: mailcow/sogo:1.122
+      image: mailcow/sogo:1.122.1
       environment:
         - DBNAME=${DBNAME}
         - DBUSER=${DBUSER}
@@ -222,7 +222,7 @@ services:
             - sogo
 
     dovecot-mailcow:
-      image: mailcow/dovecot:1.28.1
+      image: mailcow/dovecot:1.28.2
       depends_on:
         - mysql-mailcow
         - netfilter-mailcow