gst_all_1.gst-plugins-good: add missing deps for qt5Support (#176246)

pkgs/development/libraries/gstreamer/good/default.nix

···
     qtbase
   ]) ++ lib.optionals stdenv.isLinux [
     wayland-protocols
+  ] ++ lib.optionals qt5Support [
+    qt5.qttools.dev
+    qt5.qtbase.dev # For moc-qt5
   ];
 
   buildInputs = [