obs-studio: update obs-backgroundremoval to 1.3.6

Fixes GPU device selection on Linux, broken by a preprocessor macro
typo that was fixed in 1.3.4.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

home/programs/obs-studio/default.nix

@@ -30,12 +30,12 @@
           .overrideAttrs
             (
               final: prev: {
-                version = "1.3.3";
+                version = "1.3.6";
                 src = pkgs.fetchFromGitHub {
-                  owner = "royshil";
+                  owner = "occ-ai";
                   repo = "obs-backgroundremoval";
                   rev = final.version;
-                  hash = "sha256-NDe71iDnVcnMilGr5kdbemq8jEKd3WW45tbMwxjqUwo=";
+                  hash = "sha256-2BVcOH7wh1ibHZmaTMmRph/jYchHcCbq8mn9wo4LQOU=";
                 };
                 nativeBuildInputs = prev.nativeBuildInputs ++ [ pkgs.pkg-config ];
                 cmakeFlags = [