Cabal revisions of tls-1.5.1

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

 Name:                tls Version:             1.5.1+x-revision: 1 Description:    Native Haskell TLS and SSL protocol implementation for server and client.    .  Library   Build-Depends:     base >= 4.9 && < 5-                   , mtl >= 2+                   , mtl >= 2 && <2.3                    , transformers                    , cereal >= 0.5.3                    , bytestring