We only ever support upgrading from the one release older, so drop
keys that are older than that.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
for removing the no longer needed Stretch signing key.
Acked-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Reviewed-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
taking over from product-specific meta packages, which can now depend on
proxmox-archive-keyring and drop their copies of the keys.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>