fix: Do not expose output from build command in Docker #851

Job	Run time
Collect workflow inputs	5s
Max TF pre-commit	2m 5s
Min TF pre-commit (./modules/docker-build)	33s
Min TF pre-commit (.)	27s
Min TF pre-commit (./modules/alias)	22s
Min TF pre-commit (./examples/with-vpc-s3-endpoint)	27s
Min TF pre-commit (./modules/deploy)	23s
Min TF pre-commit (./examples/build-package)	27s
Min TF pre-commit (./examples/complete)	27s
Min TF pre-commit (./examples/async)	27s
Min TF pre-commit (./examples/alias)	24s
Min TF pre-commit (./examples/with-efs)	25s
Min TF pre-commit (./examples/multiple-regions)	26s
Min TF pre-commit (./examples/event-source-mapping)	25s
Min TF pre-commit (./examples/with-vpc)	29s
Min TF pre-commit (./examples/container-image)	26s
Min TF pre-commit (./examples/runtimes)	27s
Min TF pre-commit (./examples/deploy)	27s
Min TF pre-commit (./examples/simple-cicd)	28s
Min TF pre-commit (./examples/triggers)	27s
Min TF pre-commit (./examples/code-signing)	26s
Min TF pre-commit (./examples/simple)	24s
	10m 57s

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