This change alters the login prompt slightly, so that it is more
obvious that alternative methods exist.
Before this change, we would say:
$ pulumi login
We need your Pulumi account to identify you.
Enter your access token from https://app.pulumi.com/account
or hit <ENTER> to log in using your browser :
After this change, we say this instead:
$ pulumi login
Manage your Pulumi stacks by logging in.
Run `pulumi login --help` for alternative login options.
Enter your access token from https://app.pulumi.com/account
or hit <ENTER> to log in using your browser :
Also updated the help text to advertise this a bit more prominently.