feat: migrate webhook runner configuration to SSM #4877

Job	Run time
Verify examples (1.5.6, default)	24s
Verify examples (1.5.6, ubuntu)	24s
Verify examples (1.5.6, prebuilt)	26s
Verify examples (1.5.6, arm64)	18s
Verify examples (1.5.6, ephemeral)	48s
Verify examples (1.5.6, windows)	25s
Verify examples (1.5.6, multi-runner)	1m 1s
Verify examples (latest, default)	23s
Verify examples (latest, ubuntu)	16s
Verify examples (latest, prebuilt)	22s
Verify examples (latest, arm64)	16s
Verify examples (latest, ephemeral)	17s
Verify examples (latest, windows)	21s
Verify examples (latest, multi-runner)	17s
Verify module (1.5.6)	24s
Verify module (latest)	20s
Verify modules (1.3.2, ami-housekeeper)	22s
Verify modules (1.3.2, download-lambda)	16s
Verify modules (1.3.2, multi-runner)	22s
Verify modules (1.3.2, runner-binaries-syncer)	19s
Verify modules (1.3.2, runners)	22s
Verify modules (1.3.2, setup-iam-permissions)	20s
Verify modules (1.3.2, ssm)	24s
Verify modules (1.3.2, webhook)	20s
Verify modules (latest, ami-housekeeper)	15s
Verify modules (latest, download-lambda)	19s
Verify modules (latest, multi-runner)	16s
Verify modules (latest, runner-binaries-syncer)	17s
Verify modules (latest, runners)	16s
Verify modules (latest, setup-iam-permissions)	16s
Verify modules (latest, ssm)	11s
Verify modules (latest, webhook)	17s
	11m 34s

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