[Trainer]fix wandb proxy

[greycooker]

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pip install pre-commit && pre-commit install

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pre-commit run --file XXXX.py

• Add test cases into tests folder. If there are codecov issues, please add tests cases first.

PR types

Bug fixes

PR changes

APIs

Description

paddle.distributed.launch会使代理失效，wandb服务无法连接。此PR加入http proxy参数，在训练前重新设置代理服务。

[paddle-bot]

Thanks for your contribution!

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 51.08%. Comparing base (40c3530) to head (32afbb5).
Report is 338 commits behind head on develop.

Files with missing lines	Patch %	Lines
paddlenlp/trainer/integrations.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #9960   +/-   ##
========================================
  Coverage    51.08%   51.08%           
========================================
  Files          745      745           
  Lines       119274   119277    +3     
========================================
+ Hits         60927    60929    +2     
- Misses       58347    58348    +1     

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