refactor: use package.json#exports for configs #1730

Job	Run time
build (ubuntu-latest, nitro-module, kotlin-swift)	37s
build (ubuntu-latest, library, js)	42s
build (macos-15, fabric-view, kotlin-objc)	1m 24s
build (macos-15, turbo-module, kotlin-objc)	1m 40s
build (ubuntu-latest, nitro-view, kotlin-swift)	40s
build (ubuntu-latest, turbo-module, kotlin-objc)	51s
build (ubuntu-latest, fabric-view, kotlin-objc)	43s
build (macos-15, nitro-view, kotlin-swift)	56s
build (macos-15, nitro-module, kotlin-swift)	59s
build (windows-latest, library, js)	2m 26s
	10m 58s

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