fix(hf): fix convert_inetrnevo2hf for internlm2 model

[season0528]

Motivation

fix convert_inetrnevo2hf for internlm2 model

Modification

We have hooks to automatically convert wqkv weights to wq,wk,wv weights in internevo checkpoints.
So, when we convert internevo checkpoints to hf checkpoints, the key in state_dict should be wq,wk,wv weights.

BC-breaking (Optional)

None

Use cases (Optional)

None

Checklist

Before PR:

• Pre-commit or other linting tools are used to fix the potential lint issues.
• Bug fixes are fully covered by unit tests, the case that causes the bug should be added in the unit tests.
• The modification is covered by complete unit tests. If not, please add more unit test to ensure the correctness.
• The documentation has been modified accordingly, like docstring or example tutorials.

After PR:

• If the modification has potential influence on downstream or other related projects, this PR should be tested with those projects.
• CLA has been signed and all committers have signed the CLA in this PR.