feat(tsconfig): enable trailing comma support for JSONC

[xiaoxiaojx]

Summary
Fixes #475 (comment)

What kind of change does this PR introduce?
feat

Did you add tests for your changes?
Yes

Does this PR introduce a breaking change?
No
If relevant, what needs to be documented once your changes are merged or what have you already documented?
Nothing

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.43%. Comparing base (03120de) to head (f6b6de0).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #479      +/-   ##
==========================================
+ Coverage   92.67%   93.43%   +0.76%     
==========================================
  Files          50       50              
  Lines        2483     2483              
  Branches      751      751              
==========================================
+ Hits         2301     2320      +19     
+ Misses        149      134      -15     
+ Partials       33       29       -4     

Flag	Coverage Δ
integration	93.43% <100.00%> (+0.76%)	⬆️

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