space before type annotation

Co-authored-by: Alex Hoppen <[email protected]>

Author: tayloraswift

Package.swift

@@ -5,7 +5,7 @@ import Foundation
 
 /// If we are in a controlled CI environment, we can use internal compiler flags
 /// to speed up the build or improve it.
-let swiftSyntaxSwiftSettings:[SwiftSetting] 
+let swiftSyntaxSwiftSettings: [SwiftSetting] 
 if case _? = ProcessInfo.processInfo.environment["SWIFT_BUILD_SCRIPT_ENVIRONMENT"] {
   let groupFile = URL(fileURLWithPath: #file)
     .deletingLastPathComponent()