Add missing libzip dependency for new php modules in roundcube

webmails/roundcube/Dockerfile

@@ -8,7 +8,8 @@ RUN apt-get update && apt-get install -y \
 ENV ROUNDCUBE_URL https://github.com/roundcube/roundcubemail/releases/download/1.3.9/roundcubemail-1.3.9-complete.tar.gz
 
 RUN apt-get update && apt-get install -y \
-      zlib1g-dev python3-jinja2 \
+      zlib1g-dev libzip4 libzip-dev \
+      python3-jinja2 \
  && docker-php-ext-install zip \
  && echo date.timezone=UTC > /usr/local/etc/php/conf.d/timezone.ini \
  && rm -rf /var/www/html/ \