[webmin-l] Webmin Repository Problem

I'm trying to 'yum update' my webmin but apparently the repo has changed
(probably some time ago since I have not had time to address this
problem for a while) because when I run the update I get this error:

Could not retrieve mirrorlist
https://download.webmin.com/download/yum/mirrorlist
error was14: curl#60 - "SSL certificate problem: unable to get local
issuer certificate"

I have, what I think, is the latest PGP key installed so I am guessing
the problem is with the baseurl. Here is my webmin.repo:

[Webmin]
name=Webmin Distribution Neutral
#baseurl=http://download.webmin.com/download/yum
mirrorlist=https://download.webmin.com/download/yum/mirrorlist
enabled=1

I have been unable to find a repo that says anything different so I must
be only finding obsolete posts. Can someone give me the correct repo? TIA.

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