trust_anchors: update Deckard to take ta_update module into account

diff --git a/tests/integration/deckard b/tests/integration/deckard
index 839af3909d5af7835822f72dd2e3238fb6229edb..6edfef4f65e846f3aef0cbf3b80e88f39658a1c9 160000 (submodule)
--- a/tests/integration/deckard
+++ b/tests/integration/deckard
@@ -1 +1 @@
-Subproject commit 839af3909d5af7835822f72dd2e3238fb6229edb
+Subproject commit 6edfef4f65e846f3aef0cbf3b80e88f39658a1c9