[rollout] feat: chunk large tensors in bucketed weight transfer#5980

nathon-lee wants to merge 3 commits intoverl-project:mainverl-project/verl:mainfrom

nathon-lee:fix/issue-5836-bucket-size-limitnathon-lee/verl_woo:fix/issue-5836-bucket-size-limitCopy head branch name to clipboard