release: cut the v20.3.11 release #2471

Job	Run time
list	38s
workflow (build-cli)	1m 41s
workflow (modules-builder-tests)	1m 49s
workflow (devkit-core-tests)	1m 28s
workflow (devkit-core-tests-rerun)	1m 28s
workflow (build-unit-tests)	2m 18s
	9m 22s

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