release: cut the v19.2.6 release #847

Job	Run time
list	36s
workflow (build-cli)	1m 35s
workflow (modules-builder-tests)	2m 9s
workflow (devkit-core-tests)	1m 18s
workflow (devkit-core-tests-rerun)	1m 35s
workflow (build-unit-tests)	2m 24s
	9m 37s

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