[BUG] `--otp` should infer`--auth-type=legacy`

[MylesBorins]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

with the new default --auth-type being web in npm 9 we have unintentionally broken workflows that are using --otp, which has no function in the web auth-type.

Expected Behavior

let's have --otp infer --auth-type=web to unbreak workflows and fix expected beahvior

Steps To Reproduce

1. In this environment...
2. With this config...
3. Run '...'
4. See error...

Environment

• npm:
• Node:
• OS:
• platform: