singletons-base-3.2: dependencies

Dependencies for singletons-base-3.2

library	base (>=4.18 && <4.19) pretty singletons (>=3.0 && <3.1) singletons-th (>=3.2 && <3.3) template-haskell (>=2.20 && <2.21) text (>=1.2) th-desugar (>=1.15 && <1.16)