Use correct key based on $releasever

qubes-release/qubes-dom0.repo

@@ -4,7 +4,7 @@ baseurl = http://yum.qubes-os.org/r$releasever/current/dom0
 enabled = 1
 metadata_expire = 7d
 gpgcheck = 1
-gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-qubes-1-primary
+gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-qubes-$releasever-primary
 
 [qubes-dom0-current-testing]
 name = Qubes Dom0 Repository (updates-testing)
@@ -12,7 +12,7 @@ baseurl = http://yum.qubes-os.org/r$releasever/current-testing/dom0
 enabled = 0
 metadata_expire = 7d
 gpgcheck = 1
-gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-qubes-1-primary
+gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-qubes-$releasever-primary
 
 [qubes-dom0-unstable]
 name = Qubes Dom0 Repository (unstable)
@@ -20,5 +20,5 @@ baseurl = http://yum.qubes-os.org/r$releasever/unstable/dom0
 enabled = 0
 metadata_expire = 7d
 gpgcheck = 1
-gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-qubes-1-unstable
+gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-qubes-$releasever-unstable