Update d/ch for 23.10.55 release

debian/changelog

@@ -1,3 +1,10 @@
+livecd-rootfs (23.10.55) mantic; urgency=medium
+
+  * fix: add 6.5 kernel appamor features to livecd-rootfs based on
+    features pulled from 6.5.0.1006 kernel in proposed (LP: #2037567)
+
+ -- jchittum <john.chittum@canonical.com>  Thu, 05 Oct 2023 11:10:43 -0500
+
 livecd-rootfs (23.10.54) mantic; urgency=medium
 
   * Update the desktop fde model to include firmware-updater