pkg/alpine: version set to 5.1.3

pkg/kamailio/alpine/APKBUILD

@@ -4,7 +4,7 @@
 # Maintainer: Nathan Angelacos <[email protected]>
 
 pkgname=kamailio
-pkgver=5.1.1
+pkgver=5.1.3
 pkgrel=0
 
 # If building from a git snapshot, specify the gitcommit