[RC] Bump to 1.6.6

roundcube/Dockerfile

@@ -1,4 +1,4 @@
-FROM roundcube/roundcubemail:1.6.2-apache
+FROM roundcube/roundcubemail:1.6.6-apache
 
 RUN a2enmod remoteip; \
     echo "RemoteIPHeader X-Forwarded-For" > /etc/apache2/conf-available/remoteip.conf; \

roundcube/docker-compose.yml

@@ -3,7 +3,7 @@ version: "3.8"
 services:
   app:
     build: .
-    image: my_roundcube:latest
+    image: my_roundcube:1.6.6
     restart: unless-stopped
     depends_on:
       - db