Update base image to cover latest security fixes

Update base image to cover latest security fixes

Image has been tested on internal Discourse servers and is good

diff --git a/launcher b/launcher
index 29d63b3..651155a 100755
--- a/launcher
+++ b/launcher
@@ -91,7 +91,7 @@ git_rec_version='1.8.0'
 config_file=containers/"$config".yml
 cidbootstrap=cids/"$config"_bootstrap.cid
 local_discourse=local_discourse
-image="discourse/base:2.0.20200724-1815"
+image="discourse/base:2.0.20201004-2310"
 docker_path=`which docker.io 2> /dev/null || which docker`
 git_path=`which git`
 

GitHub sha: 1b97cb19