Updates hydra: 66aa1fb Fix: hydractl: sync-media:improved lock file handling (1)

diff --git a/hydra b/hydra
index 4f9b92264ff69efc3a0e69d809934acaaceb4d5b..66aa1fbde027e78a1dbc924fe6f39f2fb3bbe4d1 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 4f9b92264ff69efc3a0e69d809934acaaceb4d5b
+Subproject commit 66aa1fbde027e78a1dbc924fe6f39f2fb3bbe4d1