Update zipline-install.sh (#2444)

Updated secret generation inline with official docs

Author: V1d1o7

install/zipline-install.sh

@@ -40,7 +40,7 @@ msg_info "Setting up PostgreSQL"
 DB_NAME=ziplinedb
 DB_USER=zipline
 DB_PASS="$(openssl rand -base64 18 | tr -dc 'a-zA-Z0-9' | cut -c1-13)"
-SECRET_KEY="$(openssl rand -base64 32 | tr -dc 'a-zA-Z0-9' | cut -c1-13)"
+SECRET_KEY="$(openssl rand -base64 42 | tr -dc 'a-zA-Z0-9' | cut -c1-13)"
 $STD sudo -u postgres psql -c "CREATE ROLE $DB_USER WITH LOGIN PASSWORD '$DB_PASS';"
 $STD sudo -u postgres psql -c "CREATE DATABASE $DB_NAME WITH OWNER $DB_USER ENCODING 'UTF8' TEMPLATE template0;"
 $STD sudo -u postgres psql -c "ALTER ROLE $DB_USER SET client_encoding TO 'utf8';"
@@ -93,4 +93,4 @@ customize
 msg_info "Cleaning up"
 $STD apt-get -y autoremove
 $STD apt-get -y autoclean
-msg_ok "Cleaned"
+msg_ok "Cleaned"