🧹 Add aws.sagemaker.featureDefinition sub-resource #17123

Job	Run time
go-test	4m 11s
go-race	54s
go-mod	34s
go-test-integration	35s
golangci-lint	1m 51s
Store event file	3s
golangci-lint-providers / lint	2m 38s
go-auto-approve	0s
	10m 46s

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