sacrebleu: reverted incorrect accidental version bump (#496)
sacrebleu: reverted incorrect accidental version bump (#496)

Current sacrebleu version is actually 1.2.10 per the CHANGELOG.
awslabs/sockeye,awslabs/sockeye,awslabs/sockeye,artemsok/sockeye,artemsok/sockeye,artemsok/sockeye