memtier-benchmark: 2.1.4 -> 2.2.0

pkgs/by-name/me/memtier-benchmark/package.nix

···
 
 stdenv.mkDerivation rec {
   pname = "memtier-benchmark";
-  version = "2.1.4";
+  version = "2.2.0";
 
   src = fetchFromGitHub {
     owner = "redislabs";
     repo = "memtier_benchmark";
     tag = version;
-    sha256 = "sha256-dZUJjilfzl8u/KdBS1iKaAwOXWYAIMDi55ZAYtyuuOI=";
+    sha256 = "sha256-FzuURsGob9ZQC0C18wKLhamCyARirtvGLq5lF64JOX8=";
   };
 
   patchPhase = ''