Merge pull request #100206 from sjhala-ccs/cnv-62340

CNV-62340: Updated version attributes for 4.20

Author: sjhala-ccs

_attributes/common-attributes.adoc

@@ -126,8 +126,8 @@ endif::[]
 :opp: OpenShift Platform Plus
 //openshift virtualization (cnv)
 :VirtProductName: OpenShift Virtualization
-:VirtVersion: 4.19
-:HCOVersion: 4.19.0
+:VirtVersion: 4.20
+:HCOVersion: 4.20.0
 :CNVNamespace: openshift-cnv
 :CNVOperatorDisplayName: OpenShift Virtualization Operator
 :CNVSubscriptionSpecSource: redhat-operators