Allow building with QuickCheck-2.16.*

Author: RyanGlScott

text-show.cabal

@@ -310,7 +310,7 @@ test-suite spec
                      , generic-deriving      >= 1.14.1   && < 2
                      , ghc-prim
                      , hspec                 >= 2        && < 3
-                     , QuickCheck            >= 2.14.3   && < 2.16
+                     , QuickCheck            >= 2.14.3   && < 2.17
                      , quickcheck-instances  >= 0.3.28   && < 0.4
                      , template-haskell      >= 2.11     && < 2.24
                      , text                  >= 1.1      && < 2.2