refactor: use package.json#exports for configs #1720

Job	Run time
build (ubuntu-latest, fabric-view, kotlin-objc)	1m 8s
build (macos-15, nitro-view, kotlin-swift)	5m 7s
build (macos-15, turbo-module, kotlin-objc)	5m 17s
build (ubuntu-latest, nitro-module, kotlin-swift)	1m 18s
build (windows-latest, library, js)	2m 59s
build (macos-15, fabric-view, kotlin-objc)	4m 37s
build (ubuntu-latest, nitro-view, kotlin-swift)	1m 14s
build (macos-15, nitro-module, kotlin-swift)	3m 58s
build (ubuntu-latest, library, js)	1m 13s
build (ubuntu-latest, turbo-module, kotlin-objc)	1m 7s
	27m 58s

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