alsaPlugins: 1.1.5 -> 1.1.6

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

This update was made based on information from https://repology.org/metapackage/alsa-plugins/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 1.1.6 with grep in /nix/store/cak73591y0nnrnqw3ls6cpg59d73y5s1-alsa-plugins-1.1.6
- directory tree listing: https://gist.github.com/2e3b209cae378a23684ba6f7b276a4b4

pkgs/os-specific/linux/alsa-plugins/default.nix

@@ -1,14 +1,14 @@
 { stdenv, fetchurl, lib, pkgconfig, alsaLib, libogg, libpulseaudio ? null, libjack2 ? null }:
 
 stdenv.mkDerivation rec {
-  name = "alsa-plugins-1.1.5";
+  name = "alsa-plugins-1.1.6";
 
   src = fetchurl {
     urls = [
       "ftp://ftp.alsa-project.org/pub/plugins/${name}.tar.bz2"
       "http://alsa.cybermirror.org/plugins/${name}.tar.bz2"
     ];
-    sha256 = "073zpgvj4pldmzqq97l40wngvbqnvrkc8yw153mgny9kypwaazbr";
+    sha256 = "04qcwkisbh0d6lnh0rw1k6n869fbs6zbfq6yvb41rymiwgmk27bg";
   };
 
   # ToDo: a52, etc.?