Add AllowCredentials knob to CORS setting

[zhaohuabing]

Why we need this?
As an app developer, I want to send a cross-origin request to the server with credentials.

An example: #2296 (comment)

Related: #2296

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (9aebfdc) 64.36% compared to head (9801d1c) 64.39%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2307      +/-   ##
==========================================
+ Coverage   64.36%   64.39%   +0.03%     
==========================================
  Files         112      112              
  Lines       15879    15882       +3     
==========================================
+ Hits        10220    10227       +7     
+ Misses       5010     5006       -4     
  Partials      649      649              

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[github-actions]

🚀 Deployed on https://gateway-pr-2307-preview--eg-preview.netlify.app

[zirain]

LGTM

[arkodg]

LGTM thanks !