[feature] support Gemma2Model for tensor parallem training

[jing-4369]

📌 Checklist before creating the PR

• [x] I have created an issue for this PR for traceability
• [x] The title follows the standard format: [doc/gemini/tensor/...]: A concise description
• [x] I have added relevant tags if possible for us to better distinguish different PRs
• [ ] I have installed pre-commit: pip install pre-commit && pre-commit install

🚨 Issue number

fixed #6120

📝 What does this PR do?

support Gemma2Model for tensor parallem training

Attached here is a small bug fix to successfully run the llama model

💥 Checklist before requesting a review

• [x] I have linked my PR to an issue (instruction)
• [x] My issue clearly describes the problem/feature/proposal, with diagrams/charts/table/code if possible
• [x] I have performed a self-review of my code
• [ ] I have added thorough tests.
• [ ] I have added docstrings for all the functions/methods I implemented

⭐️ Do you enjoy contributing to Colossal-AI?

• [x] 🌝 Yes, I do.
• [ ] 🌚 No, I don't.

[Edenzzzz]

Thanks for contributing! To add a new model, we will also need unit tests. Please reference the existing tests and feel free to ping other team members.