release: cut the v19.2.12 release #1108

Job	Run time
list	34s
workflow (devkit-core-tests)	1m 28s
workflow (modules-builder-tests)	1m 57s
workflow (devkit-core-tests-rerun)	1m 28s
workflow (build-unit-tests)	2m 24s
workflow (build-cli)	1m 48s
	9m 39s

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