How to run a Build-Phase script when building a standalone Swift Package in Xcode?

Using Swift
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8

Just to be clear, we also can't add the swiftlint code to the scheme, under Run > Pre-actions?

CleanShot 2021-05-31 at 13.41.47
CleanShot 2021-05-31 at 13.41.47933×462 39 KB