feat(cache/oss): add support for oss

[PsiACE]

• add basic support for oss, pass local test
• polish impl & docs
• add test workflow

Fixes: #2043

[codecov-commenter]

Codecov Report

Attention: 68 lines in your changes are missing coverage. Please review.

Comparison is base (8d3cd35) 30.86% compared to head (cfa3d52) 30.58%.

Files	Patch %	Lines
src/config.rs	11.53%	33 Missing and 13 partials ⚠️
src/cache/oss.rs	0.00%	12 Missing ⚠️
src/cache/cache.rs	0.00%	10 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2046      +/-   ##
==========================================
- Coverage   30.86%   30.58%   -0.29%     
==========================================
  Files          51       52       +1     
  Lines       19653    19451     -202     
  Branches     9455     9326     -129     
==========================================
- Hits         6066     5949     -117     
+ Misses       7852     7841      -11     
+ Partials     5735     5661      -74     

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[Xuanwo]

Thanks a lot!

[Xuanwo]

cc @sylvestre, would you like to take a review? OSS doesn't provide something like minio or localstack, so we can't test it in CI.

[sylvestre]

Some minor nits :)

[sylvestre]

thanks for your work!