gnome: rename from gnome3

Since GNOME version is now 40, it no longer makes sense to use the old attribute name.

pkgs/development/libraries/libhandy/0.x.nix

@@ -1,6 +1,6 @@
 { lib, stdenv, fetchFromGitLab, meson, ninja, pkg-config, gobject-introspection, vala
 , gtk-doc, docbook_xsl, docbook_xml_dtd_43
-, gtk3, gnome3
+, gtk3, gnome
 , dbus, xvfb_run, libxml2
 , hicolor-icon-theme
 }:
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     meson ninja pkg-config gobject-introspection vala libxml2
     gtk-doc docbook_xsl docbook_xml_dtd_43
   ];
-  buildInputs = [ gnome3.gnome-desktop gtk3 libxml2 ];
+  buildInputs = [ gnome.gnome-desktop gtk3 libxml2 ];
   checkInputs = [ dbus xvfb_run hicolor-icon-theme ];
 
   mesonFlags = [

pkgs/development/libraries/libhandy/default.nix

@@ -20,7 +20,7 @@
 , hicolor-icon-theme
 , at-spi2-atk
 , at-spi2-core
-, gnome3
+, gnome
 , libhandy
 , runCommand
 }:
@@ -93,7 +93,7 @@ stdenv.mkDerivation rec {
   '';
 
   passthru = {
-    updateScript = gnome3.updateScript {
+    updateScript = gnome.updateScript {
       packageName = pname;
     };
   } // lib.optionalAttrs (!enableGlade) {