docs: release notes for the v20.1.3 release #1493

Job	Run time
list	29s
workflow (build-cli)	1m 37s
workflow (devkit-core-tests-rerun)	1m 10s
workflow (build-unit-tests)	2m 17s
workflow (modules-builder-tests)	1m 49s
workflow (devkit-core-tests)	1m 8s
	8m 30s

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