[Swift] Update the docker image with new Swift release

library/swift

@@ -7,9 +7,9 @@ Maintainers: Ted Kremenek <[email protected]> (@tkremenek),
 GitRepo: https://github.com/apple/swift-docker.git
 
 
-Tags: 4.2.1, 4.2, 4, latest
-GitCommit: 34aa283f9b3473ab22b2282f71773781b121af19
-Directory: 4.2
+Tags: 4.2.2, 4.2.1, 4.2, 4, latest
+GitCommit: 1ad9455c1c0e5eec3298abb51316007fcc2c1c50
+Directory: 4.2/ubuntu/16.04
 
 Tags: 4.1.3, 4.1
 GitCommit: 34aa283f9b3473ab22b2282f71773781b121af19