gnome-extensions-cli: relax packaging constraint

+1
+1
pkgs/desktops/gnome/misc/gnome-extensions-cli/default.nix
··· 33 34 pythonRelaxDeps = [ 35 "more-itertools" 36 ]; 37 38 propagatedBuildInputs = [
··· 33 34 pythonRelaxDeps = [ 35 "more-itertools" 36 + "packaging" 37 ]; 38 39 propagatedBuildInputs = [