feat!: Upgrade AWS provider and min required Terraform version to `6.19` and `1.5.7` respectively #50

Job	Run time
Collect workflow inputs	6s
Max TF pre-commit	1m 24s
Min TF pre-commit (./modules/studio)	39s
Min TF pre-commit (.)	54s
Min TF pre-commit (./examples/serverless-cluster)	55s
Min TF pre-commit (./modules/virtual-cluster)	39s
Min TF pre-commit (./examples/studio)	52s
Min TF pre-commit (./examples/virtual-cluster)	47s
Min TF pre-commit (./examples/private-cluster)	34s
Min TF pre-commit (./examples/public-cluster)	37s
Min TF pre-commit (./modules/serverless)	54s
	8m 21s

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