[Compose] Update SOGo image (#3883)

Fixes a bug that broke CardDAV with macOS 11.

https://sogo.nu/bugs/view.php?id=5203
https://github.com/inverse-inc/sogo/commit/b9e19c2cc4c0918bf59d8180fbe9a3cc56dc21a3

docker-compose.yml

@@ -160,7 +160,7 @@ services:
             - phpfpm
 
     sogo-mailcow:
-      image: mailcow/sogo:1.92
+      image: mailcow/sogo:1.93
       environment:
         - DBNAME=${DBNAME}
         - DBUSER=${DBUSER}