RedfishDiscoverDxe: release resources when refreshing information data

It is required to free previously allocated strings stored in
DiscoveredInstance->Information structure.

Cc: Nickle Wang <nicklew@nvidia.com>
Cc: Igor Kulchytskyy <igork@ami.com>
Signed-off-by: Mike Maslenkin <mike.maslenkin@gmail.com>
Reviewed-by: Abner Chang <abner.chang@amd.com>

RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c

@@ -961,6 +961,8 @@ AddAndSignalNewRedfishService (
         FreePool ((VOID *)DiscoveredList);
         return EFI_OUT_OF_RESOURCES;
       }
+    } else {
+      FreeInformationData (&DiscoveredInstance->Information);
     }
 
     DEBUG ((DEBUG_MANAGEABILITY, "*** Redfish Service Information ***\n"));