Resend the e-mailed login code

A new e-mailed code for the login in progress behind THIS bearer; the previous code stops working. `email` must be the caller's own address (case-insensitive). Same contract as `POST /api/v1/auth/resend-auth-code`.

curl -X POST "https://example.com/api/v2/auth/resend-auth-code" \  -H "Content-Type: application/json" \  -d '{    "email": "string"  }'