release: cut the v20.3.26 release #3568

Job	Run time
list	28s
workflow (devkit-core-tests-rerun)	1m 37s
workflow (build-unit-tests)	2m 24s
workflow (modules-builder-tests)	1m 54s
workflow (build-cli)	1m 52s
workflow (devkit-core-tests)	1m 20s
	9m 35s

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