[survey-web/oscp] Bump to 4.1.8

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit c9c6f651ab553d402cf37d9d56d743eb918ec595
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Fri Mar 6 17:23:17 2020 +0100

    Bump to 4.1.8

 docker/Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 941df0f..3ba20bf 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,7 +1,7 @@
 #github.com/garywong-bc/nrm-survey
 FROM centos/php-72-centos7
 
-ENV LIMESURVEY_PACKAGE=https://www.limesurvey.org/stable-release?download=2781:limesurvey401%20200120targz
+ENV LIMESURVEY_PACKAGE=https://www.limesurvey.org/stable-release?download=2874:limesurvey418%20200302targz
 
 USER root
 RUN yum -y install epel-release