[master] d6983f5a1 Update vtest2

[Nils Goroll]

commit d6983f5a110a88f698a0f807c1d34bfa642441ef
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Tue Dec 2 17:59:41 2025 +0100

    Update vtest2

diff --git a/bin/varnishtest/vtest2 b/bin/varnishtest/vtest2
index 9038ec694..cffabbb55 160000
--- a/bin/varnishtest/vtest2
+++ b/bin/varnishtest/vtest2
@@ -1 +1 @@
-Subproject commit 9038ec69478866fa318b20c64aa89be8a75ba6a6
+Subproject commit cffabbb558599869fae2425bab76645d67e845cc