The newest latest didn't support linux/arm/v7 architecture

[SuiKaSan]

What are the steps to reproduce?

Pull docker nodered/node-red image with tag latest and specify linux/arm/v7 arch.

What happens?

Pull failed because of arch not exist.

What do you expect to happen?

Pull success.

Please tell us about your environment:

[ ] Platform/OS:

arm/v7

[ ] Browser:

• If you are a Portainer user, please attach a screenshot of your container details.

  Containers -> Click on the node-red container -> Scroll to Container Details and take a screenshot
  

• If you are a command line user please execute the following command and attach the log file.

  docker inspect <container_id> > container.log