cli: add --cert-principal-map to client commands

[jseldess]

Jesse Seldess commented:

PR: cockroachdb/cockroach#47449

From release notes:

Added support for the --cert-principal-map flag in the cockroach cert command, and various "client" commands such as cockroach sql, cockroach init, and [cockroach quit](../v20.2/cockroach-quit.html]. [#47449][#47449) {% comment %}doc{% endcomment %}

Jira Issue: DOC-571