Merge pull request #62 from haskell-works/bump-doctest-upper-bounds

Bump doctest upper bounds

Author: newhoggy

hw-simd.cabal

@@ -47,7 +47,7 @@ common containers                 { build-depends: containers                 >=
 common criterion                  { build-depends: criterion                  >= 1.4.1.0    && < 1.6    }
 common deepseq                    { build-depends: deepseq                    >= 1.4        && < 1.5    }
 common directory                  { build-depends: directory                  >= 1.2.2      && < 1.4    }
-common doctest                    { build-depends: doctest                    >= 0.16.2     && < 0.17   }
+common doctest                    { build-depends: doctest                    >= 0.16.2     && < 0.19   }
 common doctest-discover           { build-depends: doctest-discover           >= 0.2        && < 0.3    }
 common hedgehog                   { build-depends: hedgehog                   >= 0.5        && < 1.1    }
 common hspec                      { build-depends: hspec                      >= 2.4        && < 3      }