test/deckard: update to actual version

diff --git a/tests/deckard b/tests/deckard
index b96ef5cd589ddb71eefb89e09fee1087a49edf35..5b47a6b1adb2bad6eedec8a07dacbe6b673aa28d 160000 (submodule)
--- a/tests/deckard
+++ b/tests/deckard
@@ -1 +1 @@
-Subproject commit b96ef5cd589ddb71eefb89e09fee1087a49edf35
+Subproject commit 5b47a6b1adb2bad6eedec8a07dacbe6b673aa28d