drawio: 12.3.2 -> 12.4.2

Changelog:

* Updates to draw.io 12.4.2, changes from, and including, 12.3.2 to
  12.4.2 are new in this desktop release.
* Updates to Electron 7.1.5

pkgs/applications/graphics/drawio/default.nix

@@ -11,11 +11,11 @@
 
 stdenv.mkDerivation rec {
   pname = "drawio";
-  version = "12.3.2";
+  version = "12.4.2";
 
   src = fetchurl {
     url = "https://github.com/jgraph/drawio-desktop/releases/download/v${version}/draw.io-x86_64-${version}.rpm";
-    sha256 = "1hh4616dbq0fqldlph7vyl8vkibwc3xpcv9r1m2v949kn84yi2j3";
+    sha256 = "1mngn90cn9hixa0xkhk7mb02gjp480wnipjy2jzkq8kwpai1gm1m";
   };
 
   nativeBuildInputs = [