dev-haskell/cabal-install: bump up to 1.20.0.3

Package-Manager: portage-2.2.10_p15
dev-haskell/conduit-extra: bump up to 1.1.1

Package-Manager: portage-2.2.10_p15
dev-haskell/cpphs: bump up to 1.18.5

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