fixbug for chatglm_v2's RetaryEmbedding dtype

[mingMelody]

PR types

Bug fixes

PR changes

Models

Description

chatglm_v2的RetaryEmbedding的实现与pytorch相比在dtype的使用上存在差别，从而导致两者在推理过程中可能出现精度误差，对其进行了修复

• pytroch实现

• paddle实现(修正后）

[paddle-bot]

Thanks for your contribution!

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 53.08%. Comparing base (9ee691a) to head (cc27fff).
Report is 9 commits behind head on develop.

Files with missing lines	Patch %	Lines
paddlenlp/transformers/chatglm_v2/modeling.py	80.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #9476      +/-   ##
===========================================
- Coverage    53.40%   53.08%   -0.32%     
===========================================
  Files          685      685              
  Lines       110166   108843    -1323     
===========================================
- Hits         58837    57784    -1053     
+ Misses       51329    51059     -270     

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