Added resource and data source for aws ec2 capacity block reservation. #9735

Job	Run time
go mod download	21s
markdown-lint	20s
misspell	25s
go build	1m 2s
go test	12m 58s
import-lint	29s
terraform providers schema	31s
go generate	4m 24s
Sweeper Functions Not Linked	2m 42s
tfproviderdocs	10m 44s
	33m 56s

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