OCPBUGS-63351: Hardcoding 4.19 in once instance in Hub cluster RDS until eng validates 4.20 RDS resources

Author: rohennes

modules/telco-hub-software-stack.adoc

@@ -7,7 +7,7 @@
 [id="telco-hub-software-stack_{context}"]
 = Telco hub reference configuration software specifications
 
-The telco hub {product-version} solution has been validated using the following Red{nbsp}Hat software products for {product-title} clusters.
+The telco hub 4.19 solution has been validated using the following Red{nbsp}Hat software products for {product-title} clusters.
 
 .Telco hub cluster validated software components
 [cols=2*, width="80%", options="header"]