system/skalibs: upgrade to 2.13.1.0

system/skalibs/APKBUILD

 # Contributor: Laurent Bercot <ska-adelie@skarnet.org>
 # Maintainer: Laurent Bercot <ska-adelie@skarnet.org>
 pkgname=skalibs
-pkgver=2.13.0.0
+pkgver=2.13.1.0
 pkgrel=0
 pkgdesc="A set of general-purpose C programming libraries for skarnet.org software"
 url="https://skarnet.org/software/skalibs/"
@@ -57,4 +57,4 @@ doc() {
 	cp -a "$builddir/doc" "$subpkgdir/usr/share/doc/$pkgname"
 }
 
-sha512sums="33309cb32a15186052a451e9c1eb9f5888f03005141285d121ff41f669ed37191462415dc425d6bf35a1bb448a2e1772d07a91b43513f527acddb0d60cff8b3a  skalibs-2.13.0.0.tar.gz"
+sha512sums="922a26f0113e22491d57aa2a577375245d70fea1478024c7130814426d978f4c18b59acbbe6a0b846a4776f0af34b966585318feb7e9b4fbcbfded459e061c9d  skalibs-2.13.1.0.tar.gz"