lr: 1.2 -> 1.3 (#38714)

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/lr/versions.

These checks were done:

- built on NixOS
- ran ‘/nix/store/ls109sv311n7wqw85kbkqcdwrsqrlca9-lr-1.3/bin/lr -h’ got 0 exit code
- directory tree listing: https://gist.github.com/9c7fdd1add06970cc80d3e523d0f4e02

pkgs/tools/system/lr/default.nix

@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "lr-${version}";
-  version = "1.2";
+  version = "1.3";
 
   src = fetchFromGitHub {
     owner = "chneukirchen";
     repo = "lr";
     rev = "v${version}";
-    sha256 = "1536d723dm50gxgpf8i9yij8mr0csh662ljhs5bmz0945jwfbx4n";
+    sha256 = "0g4iqz8ddv7dsrfhx0828bmc16ff8qp8xh5ya9f0n5qj4zh4cn35";
   };
 
   makeFlags = "PREFIX=$(out)";