feat: Support `on_demand_throughput` #85

Job	Run time
Collect workflow inputs	3s
Max TF pre-commit	39s
Min TF pre-commit (.)	20s
Min TF pre-commit (./examples/s3-import)	23s
Min TF pre-commit (./examples/global-tables)	22s
Min TF pre-commit (./examples/autoscaling)	22s
Min TF pre-commit (./examples/basic)	23s
	2m 32s

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