cp: fix: async_utils: explicit GC in persistent checkpoint worker loop (3591) into core_r0.16.0#3628

ko3n1g merged 1 commit intocore_r0.16.0NVIDIA/Megatron-LM:core_r0.16.0from

cherry-pick-3591-core_r0.16.0NVIDIA/Megatron-LM:cherry-pick-3591-core_r0.16.0Copy head branch name to clipboard