* update ipset to 7.21-1

ipset/PKGBUILD

@@ -2,18 +2,18 @@
 # Maintainer: Sébastien Luttringer
 
 pkgname=ipset
-pkgver=7.20
+pkgver=7.21
 pkgrel=1
 pkgdesc='Administration tool for IP sets'
 arch=(x86_64 powerpc64le powerpc64 powerpc riscv64)
 url='https://netfilter.org/projects/ipset/'
-license=('GPL2')
+license=('GPL-2.0-only')
 makedepends=('git')
 depends=('glibc' 'libmnl')
 backup=("etc/$pkgname.conf")
 source=("git://git.netfilter.org/ipset.git#tag=v$pkgver"
         "$pkgname.service")
-sha256sums=('SKIP'
+sha256sums=('b89735eaf8aabefd73483ae096f9d845bd19f90856c5a3e6dc793a1567e687f8'
             '5a0e326a80fd5ab2d9545faa1189b647cc866c9568ab6a9dd0833ba5863f39ce')
 
 prepare() {