Update public.ecr.aws/aws-controllers-k8s/s3-controller Docker tag to v0.1.8

This MR contains the following updates:

Package	Type	Update	Change
public.ecr.aws/aws-controllers-k8s/s3-controller	ironbank-docker	patch	v0.1.7 -> v0.1.8
public.ecr.aws/aws-controllers-k8s/s3-controller		patch	v0.1.7 -> v0.1.8
public.ecr.aws/aws-controllers-k8s/s3-controller	stage	patch	v0.1.7 -> v0.1.8

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