Add forward_backward_overlap_scheduler in pipeline_parallel_config

[zhangyuqin1998]

PR types

New features

PR changes

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Description

Add forward_backward_overlap_scheduler in pipeline_parallel_config

This PR is associated with PaddlePaddle/Paddle#72150

[paddle-bot]

Thanks for your contribution!

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 48.99%. Comparing base (f53e113) to head (11b1243).
⚠️ Report is 65 commits behind head on incubate/paddlenlp-fleety_20250421.

❌ Your project check has failed because the head coverage (48.99%) is below the target coverage (58.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@                         Coverage Diff                         @@
##           incubate/paddlenlp-fleety_20250421   #10474   +/-   ##
===================================================================
  Coverage                               48.99%   48.99%           
===================================================================
  Files                                     765      765           
  Lines                                  125974   125974           
===================================================================
+ Hits                                    61720    61721    +1     
+ Misses                                  64254    64253    -1     

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[github-actions]

This Pull Request is stale because it has been open for 60 days with no activity. 当前Pull Request 60天内无活动，被标记为stale。

[github-actions]

This Pull Request is stale because it has been open for 60 days with no activity. 当前Pull Request 60天内无活动，被标记为stale。

[github-actions]

This Pull Request is stale because it has been open for 60 days with no activity. 当前Pull Request 60天内无活动，被标记为stale。

[github-actions]

This Pull Request is stale because it has been open for 60 days with no activity. 当前Pull Request 60天内无活动，被标记为stale。