qgroundcontrol: 4.2.8 -> 4.2.9

pkgs/applications/science/robotics/qgroundcontrol/default.nix

···
 
 stdenv.mkDerivation rec {
   pname = "qgroundcontrol";
-  version = "4.2.8";
+  version = "4.2.9";
 
   propagatedBuildInputs = [
     qtbase qtcharts qtlocation qtserialport qtsvg qtquickcontrols2
···
     owner = "mavlink";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-EmGtVy/cHiZ2SqOOKmt9vCUQbyT5Sl8XnkRlhn9BdvA=";
+    sha256 = "sha256-nzBap5ldlLLLBB1ILkOktt9FnBqbo8MALLOETiqoAzk=";
     fetchSubmodules = true;
   };