miniupnpd: 2.0.20180503 -> 2.1

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/miniupnpd/versions.

These checks were done:

- built on NixOS
- Warning: no binary found that responded to help or version flags. (This warning appears even if the package isn't expected to have binaries.)
- found 2.1 with grep in /nix/store/1gdrqzzksdxk4vnbgaa2zlsvyx1qdn7h-miniupnpd-2.1
- directory tree listing: https://gist.github.com/033415d078a1ec6d4641ed723b27e29b

pkgs/tools/networking/miniupnpd/default.nix

@@ -1,11 +1,11 @@
 { stdenv, fetchurl, iptables, libuuid, pkgconfig }:
 
 stdenv.mkDerivation rec {
-  name = "miniupnpd-2.0.20180503";
+  name = "miniupnpd-2.1";
 
   src = fetchurl {
     url = "http://miniupnp.free.fr/files/download.php?file=${name}.tar.gz";
-    sha256 = "031aw66b09ij2yv640xjbp302vkwr8ima5cz7a0951jzhqbfs6xn";
+    sha256 = "1hg0zzvvzfgpnmngmd3ffnsk9x18lwlxlpw5jgh7y6b1jrvr824m";
     name = "${name}.tar.gz";
   };