Merge pull request #14183 from tarleb/haskell

Additional maintainer for Haskell

library/haskell

@@ -1,4 +1,5 @@
-Maintainers: Alistair Burrowes <[email protected]> (@AlistairB)
+Maintainers: Alistair Burrowes <[email protected]> (@AlistairB),
+             Albert Krewinkel <[email protected]> (@tarleb)
 GitRepo: https://github.com/haskell/docker-haskell
 
 Tags: 9.4.4-buster, 9.4-buster, 9-buster, buster, 9.4.4, 9.4, 9, latest