reducers-3.12: dependencies

Dependencies for reducers-3.12

library	array (>=0.3 && <0.6) base (>=4 && <4.16) bytestring (>=0.9.1 && <0.11) containers (>=0.3 && <0.6) fingertree (>=0.1 && <0.2) hashable (>=1.1.2.1 && <1.3) semigroupoids (>=4 && <6) semigroups (>=0.17 && <1) text (>=0.11.1.5 && <1.3) transformers (>=0.2 && <0.5) unordered-containers (>=0.1.4 && <0.3)