treewide: homepage+src updates (found by repology, #33263)

pkgs/applications/misc/xfontsel/default.nix

@@ -1,5 +1,5 @@
 # This program used to come with xorg releases, but now I could only find it
-# at http://www.x.org/releases/individual/.
+# at https://www.x.org/releases/individual/.
 # That is why this expression is not inside pkgs.xorg
 
 {stdenv, fetchurl, makeWrapper, libX11, pkgconfig, libXaw}:
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = http://www.x.org/;
+    homepage = https://www.x.org/;
     description = "Allows testing the fonts available in an X server";
     license = stdenv.lib.licenses.free;
     maintainers = with stdenv.lib.maintainers; [viric];