In vSphere 8.0 U3, TLS Profiles are using to manage the TLS configuration on ESXI and vCenter.
ESXI 8.0 U3
vCenter 8.0 U3
For more details refer to the following document: https://techdocs.broadcom.com/us/en/vmware-cis/vsphere/vsphere/8-0/vsphere-security-8-0/managing-tls-protocol-configuration-with-the-tls-reconfiguration-utility.html