Trigger `CancellationToken`s on drop #1094

Job	Run time
Build backend	10m 30s
Build backend	10m 30s
Build stable compiler container	25s
Build stable compiler container	25s
Build frontend	1m 15s
Build frontend	1m 15s
Build beta compiler container	16s
Build beta compiler container	16s
Build nightly compiler container	18s
Build nightly compiler container	18s
Running integration tests	6m 25s
Running integration tests	5m 56s
Release artifacts	0s
Release artifacts	0s
	37m 49s

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