feat: Support studio `encryption_key_arn` #32

Job	Run time
Collect workflow inputs	4s
Max TF pre-commit	49s
Min TF pre-commit (.)	24s
Min TF pre-commit (./modules/serverless)	25s
Min TF pre-commit (./modules/studio)	24s
Min TF pre-commit (./modules/virtual-cluster)	20s
Min TF pre-commit (./examples/studio)	26s
Min TF pre-commit (./examples/private-cluster)	21s
Min TF pre-commit (./examples/public-cluster)	25s
Min TF pre-commit (./examples/virtual-cluster)	28s
Min TF pre-commit (./examples/serverless-cluster)	23s
	4m 29s

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