designate 13.0.0.0rc1 release candidate

meta:version: 13.0.0.0rc1
meta:diff-start: -
meta:series: xena
meta:release-type: release candidate
meta:pypi: no
meta:first: no
meta:release:Author: Hervé Beraud <hberaud@redhat.com>
meta:release:Commit: Hervé Beraud <hberaud@redhat.com>
meta:release:Change-Id: Ic2b8fba689417f3790a5891df637164c32c3b7db
meta:release:Code-Review+1: Michael Johnson <johnsomor@gmail.com>
meta:release:Code-Review+2: Hervé Beraud <herveberaud.pro@gmail.com>
meta:release:Workflow+1: Hervé Beraud <herveberaud.pro@gmail.com>
-----BEGIN PGP SIGNATURE-----

iI8EABYIADcWIQRPTYLdON8aQ97bW9qRN+8OojYVuQUCYUS9ThkcaW5mcmEtcm9v
dEBvcGVuc3RhY2sub3JnAAoJEJE37w6iNhW5hBABANPe4/oFxiUQlxCYrBrIYcED
C04ULpuF9dNfwZPVq8SPAQDxoms3uDd5nmoCR+ctSLIfV4MfUbtLqsXmiZb2Z+MC
Bg==
=n/45
-----END PGP SIGNATURE-----