dev-haskell/alex: bump up to 3.1.0

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/happy: bump up to 1.19.0

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/pandoc-types: bump up to 1.12.1

Signed-off-by: Alexander Vershilov <alexander.vershilov@gmail.com>
dev-haskell/hatex: bump up to 3.8.0.0

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/nats: bump up to 0.1.2

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