[ New features]Trainer support dict parameter

[greycooker]

PR types

New features

PR changes

Trainer support dict parameter

Description

how to pass:
cmd line: --dict_parameter '{dict_value}'
json file: "dict_parameter":dict_value

[paddle-bot]

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[codecov]

Codecov Report

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

Project coverage is 53.96%. Comparing base (5da340e) to head (cf2c5be).
Report is 432 commits behind head on develop.

Files with missing lines	Patch %	Lines
paddlenlp/trainer/argparser.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@ Coverage Diff @@ ## develop #8446 +/- ## =========================================== - Coverage 55.42% 53.96% -1.47%  =========================================== Files 617 648 +31 Lines 96281 110989 +14708 =========================================== + Hits 53366 59890 +6524  - Misses 42915 51099 +8184 

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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。