What are the available subcommands of 'kubectl set'?

The available subcommands of kubectl set are:

1. env: Update environment variables on a pod template.
2. image: Update the image of a pod template.
3. resources: Update resource requests/limits on objects with pod templates.
4. selector: Set the selector on a resource.
5. serviceaccount: Update the service account of a resource.
6. subject: Update the user, group, or service account in a role binding or cluster role binding.

You can run kubectl set -h for more details on each subcommand.