Merge pull request #96116 from benmezger/patch-3

i3-gaps: Set platform to BSD and Linux like

pkgs/applications/window-managers/i3/gaps.nix

···
     homepage    = "https://github.com/Airblader/i3";
     maintainers = with maintainers; [ fmthoma ];
     license     = licenses.bsd3;
-    platforms   = platforms.all;
+    platforms   = platforms.linux ++ platforms.netbsd ++ platforms.openbsd;
 
     longDescription = ''
       Fork of i3wm, a tiling window manager primarily targeted at advanced users