user/harfbuzz: upgrade to 2.4.0

user/harfbuzz/APKBUILD

 # Contributor: Sören Tempel <soeren+alpinelinux@soeren-tempel.net>
 # Maintainer: 
 pkgname=harfbuzz
-pkgver=2.3.1
+pkgver=2.4.0
 pkgrel=0
 pkgdesc="Text shaping library"
 url="https://www.freedesktop.org/wiki/Software/HarfBuzz"
@@ -53,4 +53,4 @@ icu() {
 	mv "$pkgdir"/usr/lib/lib*icu.so.* "$subpkgdir"/usr/lib/
 }
 
-sha512sums="78a8f05bfcc95cfe3fc0f1a595bdc7298c9c1456db6c7ef70914051fda43f37aaff15eac75aa6922eca82d2291baeb8385e02e6aacb44ca05b4873c311a662ac  harfbuzz-2.3.1.tar.bz2"
+sha512sums="daeaf029bd5d0d0674f930a8d0dcdc4e0b1253b2369c732c7b4fd130ab9438d0d9526967224a583ee58974c3b492874acaccdac13c71b58c950f0b3f031e505c  harfbuzz-2.4.0.tar.bz2"