Updates hydra: b6fcbbf Fix: hydractl: sync-media: manage metadata and sidecar files...

diff --git a/hydra b/hydra
index 106942de613acf080fa2e5169ec79fca7e3bd9a1..b6fcbbf5facc05c34194a1d9567859fdb16277e1 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 106942de613acf080fa2e5169ec79fca7e3bd9a1
+Subproject commit b6fcbbf5facc05c34194a1d9567859fdb16277e1