git-cola: 3.1 -> 3.2

Semi-automatic update generated by
https://github.com/ryantm/nixpkgs-update tools. This update was made
based on information from
git-cola

pkgs/applications/version-management/git-and-tools/git-cola/default.nix

···
   inherit (pythonPackages) buildPythonApplication pyqt5 sip pyinotify;
 in buildPythonApplication rec {
   name = "git-cola-${version}";
-  version = "3.1";
+  version = "3.2";
 
   src = fetchFromGitHub {
     owner = "git-cola";
     repo = "git-cola";
     rev = "v${version}";
-    sha256 = "1xzm8694zndl2pb4nanzhldn7wrsc1gjd5ldjncidw1msp9fczq1";
+    sha256 = "1ivaqhvdbmlp0lmrwb2pv3kjqlcpqbxbinbvjjn3g81r4avjs7yy";
   };
 
   buildInputs = [ git gettext ];