add distributed/_sharded_tensor/test_sharded_tensor to ROCM_BLOCKLIST (#63508)
Summary:
Fixes current ROCm CI test2 brokenness until tensorpipe is fully supported by ROCm.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/63508
Reviewed By: ejguan
Differential Revision: D30406450
Pulled By: walterddr
fbshipit-source-id: c07509271d5d33901f3eaf7ffb916dc3626e1f9a
