harfbuzz: 1.7.6 -> 1.8.0

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

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

These checks were done:

- built on NixOS

- 0 of 0 passed binary check by having a zero exit code.
- 0 of 0 passed binary check by having the new version present in output.
- found 1.8.0 with grep in /nix/store/zdzpback8gi0b28l4qmjk1895wz221df-harfbuzz-1.8.0
- directory tree listing: https://gist.github.com/dfbf59c0a3dd43f2ec145351a6dea823
- du listing: https://gist.github.com/1127d0067d13c892c5ebdb8fe032fba7

pkgs/development/libraries/harfbuzz/default.nix

@@ -5,7 +5,7 @@
 }:
 
 let
-  version = "1.7.6";
+  version = "1.8.0";
   inherit (stdenv.lib) optional optionals optionalString;
 in
 
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
 
   src = fetchurl {
     url = "http://www.freedesktop.org/software/harfbuzz/release/harfbuzz-${version}.tar.bz2";
-    sha256 = "16rf7qwgy1gza74v2ws79zdwwb1lpvgz2abwwm8ws9j82cwysyys";
+    sha256 = "18wnbq919k5h8pfm1pfy38gs1qzj1hnfr1wq989bix1n2jiii1d1";
   };
 
   outputs = [ "out" "dev" ];