support QWen1.5/QWen2
I use nvcr.io/nvidia/nemo:24.07, NameError: name 'ApexGuardDefaults' is not defined
# What does this PR do ?

Add China community model QWen1.5 
https://huggingface.co/Qwen
https://github.com/huggingface/transformers/tree/main/src/transformers/models/qwen2

**Collection**: [Note which collection this PR will affect]

# Changelog 
- Add specific line by line info of high level changes in this PR.

# Usage
* You can potentially add a usage example below
## convert
```
HF_MODEL=./Qwen1.5-4B
NEMO_MODEL=qwen1.5_4b.nemo
python ./scripts/checkpoint_converters/convert_qwen2_hf_to_nemo.py --input_name_or_path ${HF_MODEL} --output_path ${NEMO_MODEL}
```
## pretrain
```
 python3 -u examples/nlp/language_modeling/megatron_gpt_pretraining.py \
  --config-name=megatron_qwen2_config \
  trainer.devices=8 \
  trainer.num_nodes=1 \
  trainer.val_check_interval=100 \
  trainer.precision=bf16 \
 +model.data.data_prefix=${TRAIN_DS} \
  trainer.max_steps=1000 \
  trainer.max_epochs=1 \
  model.megatron_amp_O2=True \
  model.sequence_parallel=True \
  model.tensor_model_parallel_size=2 \
  model.pipeline_model_parallel_size=1 \
  model.global_batch_size=128 \
  model.micro_batch_size=1 \
  model.override_vocab_size=65024 \
  model.use_cpu_initialization=False
```

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# Additional Information
* Related to # (issue)
