Add cherry pick label workflow #66

Job	Run time
Tests (Previous LTS) / Single node (Telemetry)	1m 32s
build / Build (11)	1m 25s
Tests (Previous LTS) / Secure (PersistentSubscriptions)	2m 3s
Tests (Previous LTS) / Single node (PersistentSubscriptions)	1m 56s
Tests (Previous LTS) / Cluster (Streams)	1m 37s
Tests (Previous LTS) / Secure (Streams)	1m 42s
Tests (Previous LTS) / Single node (Streams)	1m 37s
build / Build (8)	1m 22s
build / Build (17)	1m 20s
Tests (Previous LTS) / Cluster (PersistentSubscriptions)	1m 49s
	16m 23s

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