releasing package livecd-rootfs version 2.664.7

debian/changelog

@@ -1,9 +1,9 @@
-livecd-rootfs (2.664.7) UNRELEASED; urgency=medium
+livecd-rootfs (2.664.7) focal; urgency=medium
 
-  [ Stanislav German-Evtushenko <giner> ]
+  [ Stanislav German-Evtushenko <giner> / John Chittum ]
   * Send Vagrant serial connection to NULL. (LP: #1874453)
 
- -- John Chittum <john.chittum@canonical.com>  Tue, 22 Sep 2020 15:03:21 -0500
+ -- Robert C Jennings <robert.jennings@canonical.com>  Wed, 23 Sep 2020 13:32:32 -0500
 
 livecd-rootfs (2.664.6) focal; urgency=medium