feat: Redesign review commenting as upload of JSON artifact

[slarse]

Fix #111

[codecov]

Codecov Report

Merging #112 (935cc8d) into main (958ffc6) will decrease coverage by 0.64%.
The diff coverage is 44.11%.

❗ Current head 935cc8d differs from pull request most recent head a130d29. Consider uploading reports for the commit a130d29 to get more accurate results

@@            Coverage Diff             @@
##             main     #112      +/-   ##
==========================================
- Coverage   86.97%   86.33%   -0.65%     
==========================================
  Files           7        7              
  Lines         261      278      +17     
  Branches       32       33       +1     
==========================================
+ Hits          227      240      +13     
- Misses         33       37       +4     
  Partials        1        1              

Impacted Files	Coverage Δ
src/action.ts	64.63% <14.28%> (-11.13%)	⬇️
src/suggestions.ts	98.11% <92.30%> (+17.34%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 958ffc6...a130d29. Read the comment docs.