update kernel to Ubuntu-5.11.0-18.19 / v5.11.17

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

diff --git a/src/submodules/ubuntu-hirsute b/src/submodules/ubuntu-hirsute
index e484dbf1052c597f8aae9ad87e71a4c8d2dec2b4..8c0148239f4cd0bda2bca10770e9bf4ef284b4d2 160000 (submodule)
--- a/src/submodules/ubuntu-hirsute
+++ b/src/submodules/ubuntu-hirsute
@@ -1 +1 @@
-Subproject commit e484dbf1052c597f8aae9ad87e71a4c8d2dec2b4
+Subproject commit 8c0148239f4cd0bda2bca10770e9bf4ef284b4d2