feat: add spot termination handler (#4176) #5315

Job	Run time
Verify module (1.5.6)	26s
Verify examples (1.5.6, default)	32s
Verify module (latest)	22s
Verify modules (1.5.6, ami-housekeeper)	23s
Verify examples (1.5.6, ubuntu)	26s
Verify modules (1.5.6, download-lambda)	17s
Verify examples (1.5.6, prebuilt)	27s
Verify modules (1.5.6, lambda)	21s
Verify examples (1.5.6, arm64)	33s
Verify examples (1.5.6, ephemeral)	29s
Verify modules (1.5.6, multi-runner)	20s
Verify examples (1.5.6, termination-watcher)	26s
Verify modules (1.5.6, runner-binaries-syncer)	23s
Verify examples (1.5.6, windows)	31s
Verify modules (1.5.6, runners)	19s
Verify examples (1.5.6, multi-runner)	31s
Verify modules (1.5.6, setup-iam-permissions)	17s
Verify examples (latest, default)	21s
Verify modules (1.5.6, ssm)	16s
Verify examples (latest, ubuntu)	26s
Verify modules (1.5.6, termination-watcher)	26s
Verify examples (latest, prebuilt)	20s
Verify modules (1.5.6, webhook)	17s
Verify examples (latest, arm64)	18s
Verify examples (latest, ephemeral)	23s
Verify modules (latest, ami-housekeeper)	16s
Verify examples (latest, termination-watcher)	19s
Verify modules (latest, download-lambda)	16s
Verify examples (latest, windows)	21s
Verify modules (latest, lambda)	42s
Verify examples (latest, multi-runner)	15s
Verify modules (latest, multi-runner)	21s
Verify modules (latest, runner-binaries-syncer)	13s
Verify modules (latest, runners)	16s
Verify modules (latest, setup-iam-permissions)	18s
Verify modules (latest, ssm)	18s
Verify modules (latest, termination-watcher)	17s
Verify modules (latest, webhook)	15s
	13m 57s

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