Allows to run node shell on Bootlerocket and Windows nodes

[dex4er]

This is a reworked node-shell feature. It allows to run it on Bottlerocket OS and Windows nodes where there is no sh nor bash command.

Unfortunately, node-shell pods cannot be autoremoved anymore with sleep command. It is because now single pod is created and then kubectl attach is run. It is because kubectl exec with nsenter command won't work: Bottlerocket OS is SELinux hardened then nsenter won't have privileges to run in kubectl exec context.

Bottlerocket OS:

Windows 2022: