I have been searching everywhere for how to do this, adding what I did. I am not sure if this is the right way, but, HA has updated and it seems to function.
I stopped the Supervisor Container and ran the script above through task manager as described on Marius’ page. Once HA was back online, I could update the application from within HA. The update took some time. The container did not start automatically. Once it was back up and running, it was on the version I wanted to install.