OpenShift 4.x IPI on vSphere fails with x509 certificate signed by unknown authority

Issue

• Attempting to install OpenShift 4.x using IPI method on vSphere fails with the following:

$ ./openshift-install create cluster 
? SSH Public Key /home/user/.ssh/id_rsa.pub
? Platform vsphere
? vCenter vmware.devcluster.example.com
? Username user@vsphere.local
? Password [? for help] ********************
INFO Connecting to vCenter vmware.devcluster.example.com 
FATAL failed to fetch Metadata: failed to fetch dependency of "Metadata": failed to fetch dependency of "Cluster ID": failed to fetch dependency of "Install Config": failed to fetch dependency of "Base Domain": failed to generate asset "Platform": unable to connect to vCenter vmware.devcluster.example.com. Ensure provided information is correct and client certs have been added to system trust.: Post https://vmware.devcluster.example.com/sdk: x509: certificate signed by unknown authority