Katello-agent 3.10 gpgkey

Packages aren’t signed with gpg key in https://yum.theforeman.org/client/1.20/el7/$basearch
So turning gpgcheck to on breaks package installs.

Expected outcome:
Packages signed with supplied key

Foreman and Proxy versions:
Foreman/proxy 1.20

Foreman and Proxy plugin versions:
Katello 3.10

Other relevant data:
[e.g. logs from Foreman and/or the Proxy, modified templates, commands issued, etc]
(for logs, surround with three back-ticks to get proper formatting, e.g.)