Fix: error checking for incompatible variables create_role and lambda_role #733

Job	Run time
Collect workflow inputs	3s
Max TF pre-commit	1m 42s
Min TF pre-commit (.)	10s
Min TF pre-commit (./examples/alias)	12s
Min TF pre-commit (./examples/simple-cicd)	12s
Min TF pre-commit (./examples/code-signing)	13s
Min TF pre-commit (./examples/simple)	10s
Min TF pre-commit (./examples/build-package)	12s
Min TF pre-commit (./examples/with-efs)	12s
Min TF pre-commit (./examples/with-vpc)	10s
Min TF pre-commit (./examples/triggers)	10s
Min TF pre-commit (./examples/async)	9s
Min TF pre-commit (./examples/container-image)	12s
Min TF pre-commit (./examples/complete)	11s
Min TF pre-commit (./examples/multiple-regions)	12s
Min TF pre-commit (./examples/with-vpc-s3-endpoint)	9s
Min TF pre-commit (./examples/event-source-mapping)	12s
Min TF pre-commit (./examples/deploy)	12s
Min TF pre-commit (./modules/alias)	9s
Min TF pre-commit (./modules/docker-build)	9s
Min TF pre-commit (./modules/deploy)	19s
	5m 20s

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