user/feh: bump to 2.28

user/feh/APKBUILD

 # Contributor: Max Rees <maxcrees@me.com>
 # Maintainer: Max Rees <maxcrees@me.com>
 pkgname=feh
-pkgver=2.27.1
+pkgver=2.28
 pkgrel=0
 pkgdesc="feh is a fast, lightweight image viewer which uses imlib2"
 url="https://feh.finalrewind.org/"
@@ -34,4 +34,4 @@ package() {
 		install
 }
 
-sha512sums="271aa2fd5f0bdd646b46ca746ef38b0a427a64981b0f1ebaf28a258448a9082ecff0b2d0fce215b4a94765ff4299d0d3bdbb97bca284d4ef6a80ebd7a4ee4be1  feh-2.27.1.tar.bz2"
+sha512sums="565a5aa0ce1c29fb2f09995283dbf2e12e0f228294df7c1b744a545e4f550126e0b327e9903c9eb35cb7dbd96d69e4653c57f3b3cb2dc2475680b3c62b71e1d8  feh-2.28.tar.bz2"