update sources to Ubuntu-6.5.0-27.27

(generated with debian/scripts/import-upstream-tag)

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

diff --git a/submodules/ubuntu-kernel b/submodules/ubuntu-kernel
index 50a8a45214a205eaa6d19370b1409ee1a7f82774..813ffd05c3043320eec89dd446e1a82b5db4279e 160000 (submodule)
--- a/submodules/ubuntu-kernel
+++ b/submodules/ubuntu-kernel
@@ -1 +1 @@
-Subproject commit 50a8a45214a205eaa6d19370b1409ee1a7f82774
+Subproject commit 813ffd05c3043320eec89dd446e1a82b5db4279e