Cabal revisions of pretty-show-1.6.13

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

 name:           pretty-show version:        1.6.13+x-revision: 1 category:       Text  synopsis:       Tools for working with derived `Show` instances and generic   CHANGELOG  library+  -- Prelude exports Semigroup.<>+  build-depends: base <4.11+   exposed-modules:     Text.Show.Pretty   other-modules: