system/ca-certificates: remove &> bashism from trigger

system/ca-certificates/APKBUILD

 # Maintainer: A. Wilcox <awilfox@adelielinux.org>
 pkgname=ca-certificates
 pkgver=20190131
-pkgrel=0
+pkgrel=1
 pkgdesc="CA root certificates"
 url="https://www.mozilla.org/en-US/about/governance/policies/security-group/certs/"
 arch="all"

system/ca-certificates/ca-certificates.trigger

 #!/bin/sh
-/usr/sbin/update-ca-certificates --fresh  &> /dev/null
+/usr/sbin/update-ca-certificates --fresh >/dev/null 2>&1
 exit 0