debug mode outputs password

[peejaychilds]

I noticed some parts of the debug the password are obscured to prevent accidental leakage, but in other areas they are not.

gnmic -d -p super-secret-password version  2>&1 | grep pass
password: super-secret-password
2024/03/28 00:58:17.710051 /home/runner/work/gnmic/gnmic/pkg/app/app.go:280: [gnmic] password='super-secret-password'(string)