Updates hydra: 3d9ef7a TODO: deploy: use console-based GnuPG agent when calling keyringer

diff --git a/hydra b/hydra
index 4d540a22d728c0c8cd92ae393756682698dab914..3d9ef7ae6af15a21129c2f3b165ca192adbcd413 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 4d540a22d728c0c8cd92ae393756682698dab914
+Subproject commit 3d9ef7ae6af15a21129c2f3b165ca192adbcd413