fix: add role parameter to BaseEvaluator #476

Job	Run time
collab-check	5s
wait-for-approval	2s
detect-changes	8s
codestyle-doc-tests (sagemaker-serve)	5m 44s
integ-tests (sagemaker-train)	1h 13m 7s
unit-tests (sagemaker-mlops)	29m 55s
codestyle-doc-tests (sagemaker-train)	5m 49s
integ-tests (sagemaker-serve)	29m 2s
integ-tests (sagemaker-mlops)	29m 28s
codestyle-doc-tests (sagemaker-mlops)	5m 29s
unit-tests (sagemaker-serve)	44m 8s
unit-tests (sagemaker-train)	27m 24s
	4h 10m 21s

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