Fix compile errors on macOS

Author: cmcgee1024

Sources/MacOSPlatform/MacOS.swift

@@ -117,9 +117,9 @@ public struct MacOS: Platform {
 
         if ctx.mockedHomeDir == nil {
             await ctx.print("Extracting the swiftly package...")
-            try await sys.instaler(
-                pkg archive,
-                targt: "CurrentUserHomeDirectory"
+            try await sys.installer(
+                pkg: archive,
+                target: "CurrentUserHomeDirectory"
             )
             try? await sys.pkgutil(.volume(userHomeDir)).forget(packageId: "org.swift.swiftly").run(self)
         } else {