build: use genrule for best practices copy #4023

Job	Run time
list	31s
workflow (build-unit-tests)	2m 33s
workflow (devkit-core-tests)	1m 28s
workflow (modules-builder-tests)	2m 0s
workflow (build-cli)	1m 46s
workflow (devkit-core-tests-rerun)	1m 37s
	9m 55s

Provide feedback