Replaced xrOS with visionOS

Author: dimitribouniol

Sources/CodableDatastore/Indexes/UUID+Comparable.swift

@@ -8,7 +8,7 @@
 
 import Foundation
 
-#if swift(<5.9) || !os(xrOS)
+#if swift(<5.9) || !os(visionOS)
 /// Make UUIDs comparable, so that they can be used transparently as an index.
 ///
 /// - SeeAlso: https://github.com/apple/swift-foundation/blob/5388acf1d929865d4df97d3c50e4d08bc4c6bdf0/Sources/FoundationEssentials/UUID.swift#L135-L156