New Syntax ASSIGN, dynamic_components

[bau-mann]

Change example to newly available, preferred syntax.

https://blogs.sap.com/2022/03/28/new-kinds-of-abap-expressions-part-ii/#:~:text=2.%20Using%20dynamic%20structure%20component%20expressions%20in%20ASSIGN

https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/abapassign_dynamic_components.htm

[cla-assistant[bot]]

All committers have signed the CLA.