feat(ci): prebuild React xcframework for macOS #1561

Job	Run time
JavaScript Tests	2m 47s
Check Yarn Constraints	42s
Lint PR title	26s
NPM Publish (Dry Run)	1m 24s
Build the website / Build the website	49s
Build RNTester / visionos, newarch	3m 38s
Build RNTester / macos, oldarch	3m 35s
Build RNTester / ios, oldarch	3m 36s
Prebuild macOS Core / Resolve Hermes / Resolve Hermes	54s
Build RNTester / visionos, oldarch	3m 34s
Build RNTester / ios, newarch	3m 39s
Build RNTester / macos, newarch	3m 38s
Test react-native-macos init	0s
Check for Changesets	0s
Prebuild macOS Core / Resolve Hermes / Build hermesc	0s
Prebuild macOS Core / Resolve Hermes / Assemble Hermes xcframework	-1s
Prebuild macOS Core / Resolve Hermes / Hermes ${{ matrix.slice }}	-1s
Prebuild macOS Core / Build ${{ matrix.platform }}	0s
Prebuild macOS Core / Compose XCFramework (Debug)	0s
PR	4s
	28m 44s

Provide feedback