TELCODOCS-2160#Update validated RHACM version in OCP 4.17

Author: amolnar-rh

modules/ztp-telco-ran-software-versions.adoc

@@ -50,7 +50,7 @@ The Red Hat telco RAN DU {product-version} solution has been validated using the
 |4.17
 
 |{rh-rhacm-first}
-|2.11
+|2.11, 2.12
 
 |{ztp} plugin
 |4.17