feat: build React Native macOS with Swift Package Manager #1357

Job	Run time
NPM Publish (Dry Run)	59s
Check Yarn Constraints	46s
Lint PR title	31s
JavaScript Tests	2m 38s
Build the website / Build the website	54s
Build RNTester / macos, newarch	8m 32s
Build RNTester / macos, oldarch	8m 34s
Build RNTester / ios, newarch	8m 37s
Build SPM / Build Hermes	1m 59s
Build RNTester / ios, oldarch	7m 56s
Build RNTester / visionos, newarch	7m 57s
Build RNTester / visionos, oldarch	7m 57s
Test react-native-macos init	0s
Build SPM / matrix.platform	0s
PR	1s
	57m 21s

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