update sources to Ubuntu-5.4.0-30.34

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

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

diff --git a/submodules/ubuntu-focal b/submodules/ubuntu-focal
index 6a99357b50cf0f01eca4c5a098de99f5b2624cc1..e7b1483ab857862aeee144eb9029611af834c65d 160000 (submodule)
--- a/submodules/ubuntu-focal
+++ b/submodules/ubuntu-focal
@@ -1 +1 @@
-Subproject commit 6a99357b50cf0f01eca4c5a098de99f5b2624cc1
+Subproject commit e7b1483ab857862aeee144eb9029611af834c65d