system/po4a: bump to 0.56

system/po4a/APKBUILD

 # Contributor: Christian Kampka <christian@kampka.net>
 # Maintainer: 
 pkgname=po4a
-pkgver=0.55
+pkgver=0.56
 pkgrel=0
 pkgdesc="Tools for helping translation of documentation"
 url="https://po4a.org"
@@ -28,4 +28,4 @@ package() {
 	find ${pkgdir} -name .packlist -o -name perllocal.pod -delete
 }
 
-sha512sums="95f7408caf2c603f2ea86d8439e99c39be72dca019361106190bd6e1f95679c6627280bcd02a2d9c843071a6ce96747bf5b4d85c9051344b08f32deade2cb599  po4a-0.55.tar.gz"
+sha512sums="4fc1ca5743471577d9e8bd0b80285b9dbd83b964f8e828472787a6deaf8b8388bb7f96e68afab4119c1f5488fe371d3b1fa94b101204a59228d1cc2f0878f3c1  po4a-0.56.tar.gz"