Skip component if `metadata.enabled` is set to `false` #2369

Job	Run time
Build	34s
[k3s] demo-helmfile	44s
Acceptance Tests	1m 7s
Docker Lint	22s
[lint] demo-context	7s
[localstack] demo-localstack	2m 20s
[mock] demo-atlantis	7s
[mock] demo-component-versions	13s
[mock] demo-context	11s
[mock] demo-vendoring	24s
release	0s
	6m 9s

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