Fix error in scripts/run-upgrade.sh
Fix error in scripts/run-upgrade.sh

This commit simply updates scripts/run-upgrade.sh to fix the typo
where the echo is not actually appending output to user_secrets.yml.

Change-Id: I21007c4fdf580cc2e1ef97b1f226d5518a7cb1fc
Closes-Bug: #1445665
(cherry picked from commit 4b3ad96ff9b17979391e4856822953e646459436)

VaneCloud/openstack-ansible,VaneCloud/openstack-ansible,yanyao/openstack-deployment,yanyao/openstack-deployment,yanyao/openstack-deployment,VaneCloud/openstack-ansible,yanyao/openstack-deployment