release: cut the v21.2.3 release #2875

Job	Run time
lint	1m 58s
build	22s
build-e2e-windows	23s
test	-1s
e2e	-1s
publish-snapshots	-1s
Browser Compatibility Tests	-1s
e2e-package-managers	-1s
e2e-snapshots	-1s
e2e-windows	-1s
	2m 36s

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