update submodule to v1.24

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

diff --git a/upstream b/upstream
index 0123ecebce0ad6aba3cdb320027192e15fd71e23..f8f80fd7f9b85f2626d2c6452612962ad8efca9e 160000 (submodule)
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-Subproject commit 0123ecebce0ad6aba3cdb320027192e15fd71e23
+Subproject commit f8f80fd7f9b85f2626d2c6452612962ad8efca9e