add freeze_training flag

[xingmingyyj]

Before submitting

• Lint code. If there are lint issues, please format the code first.

# Install and register `pre-commit` in the project folder
pip install pre-commit && pre-commit install

# Process previous code files separately
pre-commit run --file XXXX.py

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

PR types

Others

PR changes

Others

Description

add freeze_training flag

[paddle-bot]

Thanks for your contribution!

[codecov-commenter]

Codecov Report

❌ Patch coverage is 19.04762% with 17 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (develop@eb0b65d). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
paddleformers/trainer/trainer.py	33.33%	6 Missing ⚠️
...ernie_pretrain/src/trainers/pretraining_trainer.py	0.00%	5 Missing ⚠️
...c/callbacks/moe_correction_bias_adjust_callback.py	0.00%	3 Missing ⚠️
paddleformers/trainer/trainer_callback.py	0.00%	3 Missing ⚠️

❌ Your patch status has failed because the patch coverage (19.04%) is below the target coverage (75.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             develop    #4340   +/-   ##
==========================================
  Coverage           ?   38.99%           
==========================================
  Files              ?      474           
  Lines              ?    89736           
  Branches           ?        0           
==========================================
  Hits               ?    34992           
  Misses             ?    54744           
  Partials           ?        0           

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