upgpkg: nix 2.3.14-1

upstream release, enable signature verification

nix/PKGBUILD

@@ -8,7 +8,7 @@
 # Contributor: Anders Bennehag
 
 pkgname=nix
-pkgver=2.3.13
+pkgver=2.3.14
 pkgrel=1
 pkgdesc="A purely functional package manager"
 arch=('i686' 'x86_64' 'armv7h')
@@ -18,9 +18,11 @@ depends=('gc' 'libsodium' 'boost' 'brotli' 'editline')
 optdepends=('archlinux-nix: tools to help with setup of Nix')
 makedepends=('bzip2' 'openssl')
 install=nix.install
-source=("https://nixos.org/releases/nix/nix-$pkgver/nix-$pkgver.tar.xz"
+validpgpkeys=('B541D55301270E0BCF15CA5D8170B4726D7198DE')
+source=("https://nixos.org/releases/nix/nix-$pkgver/nix-$pkgver.tar.xz"{,.asc}
         'ldflags.patch')
-sha256sums=('7034647cb4fcfeff54134d22a0443ec4eccba8f1bc902f9ef1e6b447c5c46118'
+sha256sums=('713a0c9d9537f94a637a28979c6ddc973f739fc5e4f936c1ed46ea98b32b9459'
+            'SKIP'
             '42350237d98785b30b0ee099405f2f1f7412f8a816162c22bd232ed3dbbe0305')
 
 prepare() {