update to Ubuntu-6.2.0-16.16

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

diff --git a/submodules/ubuntu-kernel b/submodules/ubuntu-kernel
index 6090330b3c51e05773a0ef5e1d4139cb1d347012..50a70463593be2729ee123334548ada1000ed7d2 160000 (submodule)
--- a/submodules/ubuntu-kernel
+++ b/submodules/ubuntu-kernel
@@ -1 +1 @@
-Subproject commit 6090330b3c51e05773a0ef5e1d4139cb1d347012
+Subproject commit 50a70463593be2729ee123334548ada1000ed7d2