[NEW Model] Add BIT DPT Model

[JunnYu]

PR types

New features

PR changes

Models

Description

• 新增BIT模型。 支持的权重，"google/bit-50"。
• 新增DPT模型。支持的权重，"Intel/dpt-large", "Intel/dpt-hybrid-midas", "Intel/dpt-large-ade"。
• 扩展CLIP模型，支持 CLIPTextModelWithProjection 和 CLIPVisionModelWithProjection。
• 新增activations.py。 与HF所有激活函数一致。
• 新增utils/initializer.py。未来初始化参数的时候可以使用这个文件。
• 新增image_processing，未来将会废弃 feature_extraction。
• 原有的单测不支持tuple元素比较，现在支持。

[codecov]

Codecov Report

Merging #4202 (c217445) into develop (3e56184) will increase coverage by 0.92%.
The diff coverage is 60.37%.

@@             Coverage Diff             @@
##           develop    #4202      +/-   ##
===========================================
+ Coverage    33.87%   34.79%   +0.92%     
===========================================
  Files          406      417      +11     
  Lines        56896    58911    +2015     
===========================================
+ Hits         19273    20501    +1228     
- Misses       37623    38410     +787     

Impacted Files	Coverage Δ
paddlenlp/transformers/image_transforms.py	12.93% <12.93%> (ø)
paddlenlp/transformers/dpt/image_processing.py	20.00% <20.00%> (ø)
paddlenlp/transformers/bit/image_processing.py	20.48% <20.48%> (ø)
paddlenlp/transformers/clip/image_processing.py	20.48% <20.48%> (ø)
paddlenlp/transformers/image_utils.py	18.93% <25.47%> (+2.26%)	⬆️
paddlenlp/transformers/image_processing_utils.py	25.53% <25.53%> (ø)
paddlenlp/transformers/model_utils.py	72.78% <40.00%> (-0.34%)	⬇️
paddlenlp/utils/initializer.py	48.76% <48.76%> (ø)
paddlenlp/transformers/clip/modeling.py	22.64% <51.38%> (+3.19%)	⬆️
paddlenlp/transformers/feature_extraction_utils.py	27.02% <62.50%> (-0.19%)	⬇️
... and 9 more

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