Bump dependent-sum to latest version

There are some constructor changes and deprecations that this bump
introduces, but reflex-dom has started to require the newer version as
well.

Author: ali-abrar

default.nix

@@ -11,7 +11,7 @@
 }:
 mkDerivation {
   pname = "reflex";
-  version = "0.6.1";
+  version = "0.6.1.1";
   src = builtins.filterSource (path: type: !(builtins.elem (baseNameOf path) [ ".git" "dist" ])) ./.;
   libraryHaskellDepends = [
     base bifunctors containers dependent-map dependent-sum

reflex.cabal

@@ -1,5 +1,5 @@
 Name: reflex
-Version: 0.6.1
+Version: 0.6.1.1
 Synopsis: Higher-order Functional Reactive Programming
 Description: Reflex is a high-performance, deterministic, higher-order Functional Reactive Programming system
 License: BSD3
@@ -133,7 +133,7 @@ library
   if flag(use-template-haskell)
     cpp-options: -DUSE_TEMPLATE_HASKELL
     build-depends:
-      dependent-sum >= 0.3 && < 0.5,
+      dependent-sum >= 0.5 && < 0.6,
       haskell-src-exts >= 1.16 && < 1.22,
       haskell-src-meta >= 0.6 && < 0.9,
       template-haskell >= 2.9 && < 2.15
@@ -142,7 +142,7 @@ library
     other-extensions: TemplateHaskell
   else
     build-depends:
-      dependent-sum == 0.4.*
+      dependent-sum == 0.5.*
 
   if flag(fast-weak) && impl(ghcjs)
     cpp-options: -DGHCJS_FAST_WEAK