release: cut the v20.0.0 release #1220

Job	Run time
list	31s
workflow (devkit-core-tests)	1m 25s
workflow (modules-builder-tests)	1m 51s
workflow (build-cli)	1m 41s
workflow (devkit-core-tests-rerun)	1m 24s
workflow (build-unit-tests)	2m 14s
	9m 6s

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