[ReleasePR workloads] Add zone redundancy preference field to workloa…

…dmonitor (#2493)

Create to sync Azure/azure-rest-api-specs#19864
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schemas/2021-12-01-preview/Microsoft.Workloads.json

@@ -1384,6 +1384,10 @@
             }
           ],
           "description": "Sets the routing preference of the SAP monitor. By default only RFC1918 traffic is routed to the customer VNET."
+        },
+        "zoneRedundancyPreference": {
+          "type": "string",
+          "description": "Sets the preference for zone redundancy on resources created for the SAP monitor. By default resources will be created which do not support zone redundancy."
         }
       },
       "description": "Describes the properties of a SAP monitor."