Impl a streaming writer temporary file storage abstraction

[mengpromax]

PR Details

impl a streaming writer temporary file storage abstraction to support custom temporary file storage.

Description

1. replace streamingWriter.rawData with a interface.
2. add a chunk size field to buffered writer which is default to 16MB or can be set by user.

Related Issue

1. This will close StreamChunkSize(16MB) variable setting function #1927, will support buffered writer custom chunk size.

Motivation and Context

This issue #1927 inspire me.

How Has This Been Tested

1. pass all exist UT.
2. add custom temporary file storage UT.

Types of changes

• Docs change / refactoring / dependency upgrade
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[mengpromax]

@xuri Please help remove the wip and review it, this pr also resolves #2178.

[codecov]

Codecov Report

❌ Patch coverage is 76.00000% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 99.54%. Comparing base (4917cff) to head (3651ed2).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
lib.go	42.85%	2 Missing and 2 partials ⚠️
stream.go	88.88%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2175      +/-   ##
==========================================
- Coverage   99.56%   99.54%   -0.03%     
==========================================
  Files          32       32              
  Lines       26291    26307      +16     
==========================================
+ Hits        26176    26186      +10     
- Misses         60       63       +3     
- Partials       55       58       +3     

Flag	Coverage Δ
unittests	99.54% <76.00%> (-0.03%)	⬇️

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