community/libselinux: create -static subpackage for the library

Else it is currently installed under -dev subpackage. Don't bump
pkgrel, done in previous commit

community/libselinux/APKBUILD

@@ -8,7 +8,7 @@ arch="all"
 license="Public-Domain"
 # we need coreutils for ln --relative
 makedepends="pcre2-dev linux-headers libsepol-dev musl-fts-dev coreutils"
-subpackages="$pkgname-dev $pkgname-doc $pkgname-utils"
+subpackages="$pkgname-static $pkgname-dev $pkgname-doc $pkgname-utils"
 source="https://github.com/SELinuxProject/selinux/releases/download/$pkgver/libselinux-$pkgver.tar.gz
 	lfs64.patch
 	"