potoki-core-2.1: dependencies

Dependencies for potoki-core-2.1

library	acquire (>=0.2 && <0.3) attoparsec (>=0.13 && <0.15) base (>=4.7 && <5) bytestring (>=0.10 && <0.11) directory (>=1.3 && <2) foldl (>=1.3 && <2) hashable (>=1 && <2) profunctors (>=5.2 && <6) ptr (>=0.16.2 && <0.17) stm (>=2.4 && <3) text (>=1 && <2) transformers (>=0.5 && <0.6) unagi-chan (>=0.4 && <0.5) unordered-containers (>=0.2 && <0.3) vector (>=0.12 && <0.13)