th-desugar-1.6: dependencies

Dependencies for th-desugar-1.6

library	base (>=4 && <5) containers (>=0.5) mtl (>=2.1 && <2.3) syb (>=0.4) template-haskell (<2.12) th-expand-syns (>=0.3.0.6) th-lift (>=0.6.1) th-orphans (>=0.9.1)