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3f978dfb - Allow to override PyTorch git revision and set it to v2.1.0-rc2 for 2.1 releases (#5543)

Allow to override PyTorch git revision and set it to v2.1.0-rc2 for 2.1 releases (#5543) * Allow to override PyTorch git revision and set it to v2.1.0-rc2 for 2.1 releases * Change 2.1 package version to 2.1.0rc2