chore: Export codegen parseFile function

[gabrieldonadel]

Summary

This PR export the content of the parseFile into a parseFile function accepting a callback to buildSchema properly in parsers/utils.js as requested on #34872.

Changelog

[Internal] [Changed] - Export parseFile in to a parseFile function in parsers/utils.js

Test Plan

Run yarn jest react-native-codegen and ensure CI is green

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
ios	-	universal	n/a	--

Base commit: f6cfcc3
Branch: main

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	7,779,049	+0
android	hermes	armeabi-v7a	7,182,722	-2
android	hermes	x86	8,093,708	-6
android	hermes	x86_64	8,065,250	-4
android	jsc	arm64-v8a	9,637,564	+0
android	jsc	armeabi-v7a	8,403,155	+0
android	jsc	x86	9,587,498	+0
android	jsc	x86_64	10,181,042	+0

Base commit: f6cfcc3
Branch: main

[cipolleschi]

Thanks for doing this. It looks good to me! :D

[facebook-github-bot]

@cipolleschi has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[facebook-github-bot]

@cipolleschi has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

[gabrieldonadel]

@cipolleschi would you mind checking what the Facebook Internal Linter is complaining about for me?

[react-native-bot]

This pull request was successfully merged by @gabrieldonadel in 376ffac.

^{When will my fix make it into a release? | Upcoming Releases}