[Compose] Update Postfix and SOGo images

docker-compose.yml

@@ -138,7 +138,7 @@ services:
             - phpfpm
 
     sogo-mailcow:
-      image: mailcow/sogo:1.45
+      image: mailcow/sogo:1.46
       build: ./data/Dockerfiles/sogo
       environment:
         - DBNAME=${DBNAME}
@@ -206,7 +206,7 @@ services:
             - dovecot
 
     postfix-mailcow:
-      image: mailcow/postfix:1.27
+      image: mailcow/postfix:1.28
       build: ./data/Dockerfiles/postfix
       volumes:
         - ./data/conf/postfix:/opt/postfix/conf