rdkafka: 0.11.3 -> 0.11.4

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

This update was made based on information from https://repology.org/metapackage/rdkafka/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 0.11.4 with grep in /nix/store/p7dbh8kabl3bqr28icnkzp55s6636mpl-rdkafka-0.11.4
- directory tree listing: https://gist.github.com/ab8b067a5f31e07af4ed6b1dbdc1a8a4

pkgs/development/libraries/rdkafka/default.nix

@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "rdkafka-${version}";
-  version = "0.11.3";
+  version = "0.11.4";
 
   src = fetchFromGitHub {
     owner = "edenhill";
     repo = "librdkafka";
     rev = "v${version}";
-    sha256 = "17ghq0kzk2fdpxhr40xgg3s0p0n0gkvd0d85c6jsww3mj8v5xd14";
+    sha256 = "11ps8sy4v8yvj4sha7d1q3rmhfw7l1rd52rnl01xam9862yasahs";
   };
 
   nativeBuildInputs = [ pkgconfig ];