sigil: 1.8.0 -> 1.9.0

pkgs/applications/editors/sigil/default.nix

···
 
 mkDerivation rec {
   pname = "sigil";
-  version = "1.8.0";
+  version = "1.9.0";
 
   src = fetchFromGitHub {
     repo = "Sigil";
     owner = "Sigil-Ebook";
     rev = version;
-    sha256 = "sha256-luX4/KERB4GwpID7zVnd6F/mN8SHTy9zmqSUzJ1CYPk=";
+    sha256 = "sha256-3rECGnb0kkQwzsMxLxgAp0QEoHFHv+qCjiCgzCZeUJw=";
   };
 
   pythonPath = with python3Packages; [ lxml ];