Convert2RHEL fails when "subscription-manager-rhsm-certificates" package is installed

Issue

• Convert2RHEL fails when "subscription-manager-rhsm-certificates" package is installed

TASK - [Convert: Subscription Manager - Replace] **************************
Unregistering the system.
WARNING - System unregistration result:
This system is currently not registered.

Removing installed subscription-manager/katello-ca-consumer packages.
Upon continuing, we will uninstall the following subscription-manager/katello-ca-consumer packages:

Package                                                      Vendor/Packager  Repository
-------                                                      ---------------  ----------
dnf-plugin-subscription-manager-1.28.21-3.el8.x86_64         CentOS           @baseos
python3-subscription-manager-rhsm-1.28.21-3.el8.x86_64       CentOS           @baseos
subscription-manager-1.28.21-3.el8.x86_64                    CentOS           @baseos
subscription-manager-rhsm-certificates-1.28.21-3.el8.x86_64  CentOS           @baseos


Continue with the system conversion? [y/n]: y


Backing up dnf-plugin-subscription-manager.
Successfully downloaded the dnf-plugin-subscription-manager package.
Backing up python3-subscription-manager-rhsm.
Successfully downloaded the python3-subscription-manager-rhsm package.
Backing up subscription-manager.
Successfully downloaded the subscription-manager package.
Backing up subscription-manager-rhsm-certificates.
Successfully downloaded the subscription-manager-rhsm-certificates package.
Removing package: dnf-plugin-subscription-manager
Removing package: python3-subscription-manager-rhsm
Removing package: subscription-manager
Removing package: subscription-manager-rhsm-certificates
Checking for subscription-manager RPMs.
Installing subscription-manager RPMs.
CentOS Linux 8 - AppStream                      954 kB/s | 8.4 MB     00:09    
CentOS Linux 8 - BaseOS                         942 kB/s | 4.6 MB     00:04    
CentOS Linux 8 - Extras                          16 kB/s |  10 kB     00:00    
Convert2RHEL for OS 8                           0.0  B/s |   0  B     00:00    
Errors during downloading metadata for repository 'convert2rhel-for-rhel-8-rpms':
  - Curl error (77): Problem with the SSL CA cert (path? access rights?) for https://cdn.redhat.com/content/public/convert2rhel/8/x86_64/os/repodata/repomd.xml [error setting certificate verify locations:
  CAfile: /etc/rhsm/ca/redhat-uep.pem
  CApath: none]
Error: Failed to download metadata for repo 'convert2rhel-for-rhel-8-rpms': Cannot download repomd.xml: Curl error (77): Problem with the SSL CA cert (path? access rights?) for https://cdn.redhat.com/content/public/convert2rhel/8/x86_64/os/repodata/repomd.xml [error setting certificate verify locations:
  CAfile: /etc/rhsm/ca/redhat-uep.pem
  CApath: none]
CRITICAL - Failed to install subscription-manager packages. See the above yum output for details.
WARNING - Abnormal exit! Performing rollback ...