fix(git-node): update README parser to account the recent TSC changes

[aduh95]

Refs: nodejs/node#47126
Refs: nodejs/TSC#1350

BREAKING CHANGE: Old README format is no longer supported

[richardlau]

Refs: nodejs/node#46985

BREAKING CHANGE: Old README format is no longer supported

Is that going to break using node-core-utils to land PR's in LTS lines? cc @nodejs/releasers

[aduh95]

Is that going to break using node-core-utils to land PR's in LTS lines?

I was about to comment regarding that. We need to either backport the README recent updates first, or backporters would need to use the main version of the README (which seems to be the default anyway?).

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.10 ⚠️

Comparison is base (92d621e) 83.45% compared to head (4fdf802) 83.35%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #688      +/-   ##
==========================================
- Coverage   83.45%   83.35%   -0.10%     
==========================================
  Files          37       37              
  Lines        4158     4164       +6     
==========================================
+ Hits         3470     3471       +1     
- Misses        688      693       +5     

Impacted Files	Coverage Δ
lib/collaborators.js	98.57% <100.00%> (-1.43%)	⬇️

... and 2 files with indirect coverage changes

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[Trott]

Not sure if it will help here, but here's what I did to make find-inactive-tsc.mjs backwards compatible: https://github.com/nodejs/node/blob/a4808b6c3b111608e0b9945c7f62534b285b0c96/tools/find-inactive-tsc.mjs#L56-L86

[aduh95]

I think we should land this, the README change have landed on all supported release lines. wdyt @nodejs/node-core-utils?

[RafaelGSS]

LGTM