Cabal revisions of persistent-2.12.1.1

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

 name:            persistent version:         2.12.1.1+x-revision: 1 license:         MIT license-file:    LICENSE author:          Michael Snoyman <michael@snoyman.com> extra-source-files: ChangeLog.md README.md  library+    build-depends: aeson <1.6+     build-depends:   base                     >= 4.9       && < 5                    , aeson                    >= 1.0                    , attoparsec