dev-haskell/groundhog: bump up to 0.4.1

Package-Manager: portage-2.2.8-r1
dev-haskell/groundhog-postgresql: bump up to 0.4.1

Package-Manager: portage-2.2.8-r1
dev-haskell/groundhog-sqlite: bump up to 0.4.1

Package-Manager: portage-2.2.8-r1
dev-haskell/groundhog: drop old

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>