Cabal revisions of OpenGL-2.12.0.0

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

 name: OpenGL version: 2.12.0.0+x-revision: 1 synopsis: A binding for the OpenGL graphics system description:   A Haskell binding for the OpenGL graphics system (GL, version 4.5) and its   hs-source-dirs: src   ghc-options: -Wall   build-depends:-    base         >= 3   && < 5,+    base         >= 3   && < 4.13,     bytestring   >= 0.9 && < 0.11,     text         >= 0.1 && < 1.3,     transformers >= 0.2 && < 0.5,