Lower version bounds to please nix

SJW.cabal

@@ -31,7 +31,7 @@ library
                      , directory >= 1.3.3 && < 1.4
                      , filepath >= 1.4.2 && < 1.5
                      , mtl >= 2.2.2 && < 2.3
-                     , random >= 1.2.0 && < 1.3
+                     , random >= 1.1 && < 1.3
                      , text >= 1.2.3 && < 1.3
                      , time >= 1.9.0 && < 1.12
                      , unix >= 2.7.2 && < 2.8
@@ -45,7 +45,7 @@ executable sjw
   -- other-extensions:
   build-depends:       attoparsec >= 0.13.2 && < 0.14
                      , base >=4.9 && <4.15
-                     , optparse-applicative >= 0.16.1 && < 0.17
+                     , optparse-applicative >= 0.15 && < 0.17
                      , SJW
                      , text >= 1.2.3 && < 1.3
   default-language:    Haskell2010