docs: fix example code for resource aws_resiliencehub_resiliency_policy #15796

Job	Run time
go mod download	20s
markdown-lint	18s
misspell	35s
go build	19s
go test	12m 54s
Sweeper Functions Not Linked	3m 24s
import-lint	24s
go generate	6m 24s
terraform providers schema	17s
tfproviderdocs	12m 27s
	37m 22s

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