Deprecate ssh command in favor of device ssh

Change-type: patch

docs/balena-cli.md

@@ -1982,7 +1982,7 @@ force action if the update lock is set
 
 ### Aliases
 
-- `ssh`
+- `ssh` *(deprecated)*
 
 
 To use one of the aliases, replace `device ssh` with the alias.

src/commands/device/ssh.ts

@@ -25,6 +25,7 @@ import {
 
 export default class DeviceSSHCmd extends Command {
 	public static aliases = ['ssh'];
+	public static deprecateAliases = true;
 
 	public static description = stripIndent`
 		Open a SSH prompt on a device's host OS or service container.