Updates hydra: 601e055 Minor fixes at import-certs

diff --git a/hydra b/hydra
index 09e3e76ab4848656b1e96183ca5441eeb0528684..601e055e2f718db7fef7deb3c9f5341861514ad5 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 09e3e76ab4848656b1e96183ca5441eeb0528684
+Subproject commit 601e055e2f718db7fef7deb3c9f5341861514ad5