singletons-base-3.3: dependencies

Dependencies for singletons-base-3.3

library	base (>=4.19 && <4.20) pretty singletons (>=3.0 && <3.1) singletons-th (>=3.3 && <3.4) template-haskell (>=2.21 && <2.22) text (>=1.2) th-desugar (>=1.16 && <1.17)