Bump version to v0.2.2

Author: dinkelk

src/Version.hs

@@ -7,7 +7,7 @@ import BuildInfo (gitCommitHash, buildTimestamp)
 
 -- Version string with platform, commit, and build time
 versionString :: String
-versionString = "redo 0.1 (" ++ System.Info.os ++ "-" ++ System.Info.arch ++ ")\n" ++
+versionString = "redo 0.2.2 (" ++ System.Info.os ++ "-" ++ System.Info.arch ++ ")\n" ++
                 "https://github.com/dinkelk/redo\n" ++
                 "commit: " ++ $(gitCommitHash) ++ "\n" ++
                 "built: " ++ $(buildTimestamp)