refactor: use package.json#exports for configs #1726

Job	Run time
build (macos-15, nitro-module, kotlin-swift)	1m 12s
build (ubuntu-latest, library, js)	55s
build (macos-15, nitro-view, kotlin-swift)	1m 22s
build (windows-latest, library, js)	1m 49s
build (ubuntu-latest, fabric-view, kotlin-objc)	53s
build (ubuntu-latest, nitro-module, kotlin-swift)	55s
build (ubuntu-latest, turbo-module, kotlin-objc)	48s
build (macos-15, turbo-module, kotlin-objc)	1m 26s
build (macos-15, fabric-view, kotlin-objc)	1m 27s
build (ubuntu-latest, nitro-view, kotlin-swift)	52s
	11m 39s

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