Update Swift to 4.2.1

library/swift

@@ -3,8 +3,8 @@ Maintainers: Haris Amin <[email protected]> (@hamin),
 GitRepo: https://github.com/swiftdocker/docker-swift.git
 
 
-Tags: 4.2, 4, latest
-GitCommit: 7fbe6bf4018c6853e4996c4f28a8da331ae0de2c
+Tags: 4.2.1, 4.2, 4, latest
+GitCommit: 963f282c4dd242a5f90c909532692dd102420a04
 Directory: 4.2
 
 Tags: 4.1.3, 4.1