chore(main): release lib/ocrypto 0.1.8 #6909

Job	Run time
go (examples)	51s
go (sdk)	1m 44s
go (service)	3m 8s
integration tests	4m 47s
go (lib/ocrypto)	36s
Protocol Buffer Lint and Gencode Up-to-date check	37s
benchmark tests	4m 33s
go (lib/fixtures)	42s
go (lib/flattening)	34s
image build	1m 47s
license check	57s
otdfctl e2e tests	4m 55s
platform-xtest / cross-client-test	8m 54s
ci	1s
	34m 6s

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