Update PyTorch version to 0.10.0a (#59345)
Summary:
Also fix `TestProducerVersion` by removing assumption that major and minor are single digit
Pull Request resolved: https://github.com/pytorch/pytorch/pull/59345
Reviewed By: robieta
Differential Revision: D28853720
Pulled By: malfet
fbshipit-source-id: 4b6d03c6b0c9d652a5aef792aaa84eaa522d10e8
