treewide: http -> https sources (#42676)

* treewide: http -> https sources

This updates the source urls of all top-level packages from http to
https where possible.

* buildtorrent: fix url and tab -> spaces

pkgs/development/libraries/libcdr/default.nix

@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libcdr-0.1.4";
 
   src = fetchurl {
-    url = "http://dev-www.libreoffice.org/src/${name}.tar.xz";
+    url = "https://dev-www.libreoffice.org/src/${name}.tar.xz";
     sha256 = "0vd6likgk51j46llybkx4wq3674xzrhp0k82220pkx9x1aqfi9z7";
   };