chore(main): release 6.4.0 (#4480) #5750

Job	Run time
Verify module (1.5.6)	25s
Verify module (latest)	16s
Verify examples (1.5.6, termination-watcher)	25s
Verify examples (1.5.6, prebuilt)	35s
Verify examples (1.5.6, external-managed-ssm-secrets)	30s
Verify examples (latest, default)	20s
Verify examples (latest, prebuilt)	24s
Verify examples (1.5.6, ephemeral)	29s
Verify examples (1.5.6, default)	29s
Verify examples (1.5.6, multi-runner)	31s
Verify examples (latest, ephemeral)	21s
Verify examples (latest, multi-runner)	31s
Verify examples (latest, termination-watcher)	21s
Verify examples (latest, external-managed-ssm-secrets)	25s
Verify modules (1.5.6, lambda)	15s
Verify modules (latest, ami-housekeeper)	17s
Verify modules (1.5.6, ami-housekeeper)	19s
Verify modules (latest, setup-iam-permissions)	16s
Verify modules (latest, runners)	16s
Verify modules (latest, download-lambda)	14s
Verify modules (1.5.6, webhook)	21s
Verify modules (latest, runner-binaries-syncer)	15s
Verify modules (1.5.6, multi-runner)	23s
Verify modules (latest, lambda)	15s
Verify modules (1.5.6, ssm)	20s
Verify modules (1.5.6, runners)	19s
Verify modules (latest, multi-runner)	16s
Verify modules (1.5.6, runner-binaries-syncer)	16s
Verify modules (1.5.6, download-lambda)	18s
Verify modules (latest, termination-watcher)	14s
Verify modules (1.5.6, setup-iam-permissions)	17s
Verify modules (1.5.6, termination-watcher)	21s
Verify modules (latest, ssm)	19s
Verify modules (latest, webhook)	15s
	11m 48s

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