pytorch

ef8b91fe - enable previously failing UCC distributed_test.py tests (#89023)

enable previously failing UCC distributed_test.py tests (#89023) Enables previously failing UCC distributed_test.py tests that are now fixed due to either ProcessGroupUCC barrier blocking fix (https://github.com/pytorch/pytorch/pull/86961) or UCC-side timeout error handling fix: (https://github.com/openucx/ucc/pull/679/files). Bump upstream UCC version to build UCC with timeout error handling fix merged in. Pull Request resolved: https://github.com/pytorch/pytorch/pull/89023 Approved by: https://github.com/kwen2501, https://github.com/malfet