[BUG] nebula checkpoint engine AttributeError: 'str' object has no attribute 'tag'

[unavailableun]

Describe the bug
CheckpointEngine.commit(info: CheckpointCommitInfo) interface does not align with DeepSpeedEngine reference.

Line 3527 in runtime/engine.py should be
self.checkpoint_engine.commit(commit_info)

[rank0]: File "/opt/conda/envs/ptca/lib/python3.10/site-packages/pytorch_lightning/trainer/trainer.py", line 1381, in save_checkpoint
[rank0]: self.strategy.save_checkpoint(checkpoint, filepath, storage_options=storage_options)
[rank0]: File "/scratch/azureml/cr/j/85a4996e3fa242ed9f68c4faddc40a52/exe/wd/src/smile_lightning/core/strategies/deepspeed.py", line 103, in save_checkpoint
[rank0]: self.deepspeed_engine.save_checkpoint(
[rank0]: File "/opt/conda/envs/ptca/lib/python3.10/site-packages/deepspeed/runtime/engine.py", line 3527, in save_checkpoint
[rank0]: self.checkpoint_engine.commit(tag)
[rank0]: File "/opt/conda/envs/ptca/lib/python3.10/site-packages/deepspeed/runtime/checkpoint_engine/nebula_checkpoint_engine.py", line 101, in commit
[rank0]: tag = info.tag
[rank0]: AttributeError: 'str' object has no attribute 'tag'

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• OS: [e.g. Ubuntu 18.04]
• GPU count and types [e.g. two machines with x8 A100s each]
• Interconnects (if applicable) [e.g., two machines connected with 100 Gbps IB]
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