update submodule to Ubuntu-5.11.0-14.15

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

diff --git a/src/submodules/ubuntu-hirsute b/src/submodules/ubuntu-hirsute
index f48809012350997899c3ce1afc47eb77f116fcf4..e484dbf1052c597f8aae9ad87e71a4c8d2dec2b4 160000 (submodule)
--- a/src/submodules/ubuntu-hirsute
+++ b/src/submodules/ubuntu-hirsute
@@ -1 +1 @@
-Subproject commit f48809012350997899c3ce1afc47eb77f116fcf4
+Subproject commit e484dbf1052c597f8aae9ad87e71a4c8d2dec2b4