Updates hydra: 56bb32d Fix: hydractl: sync_media_add_metadata: sidecard file handling

diff --git a/hydra b/hydra
index 786ff87aba046db856e614279af8afdea079f032..56bb32d68a95be22726113a68c4ce9ee2e251b19 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 786ff87aba046db856e614279af8afdea079f032
+Subproject commit 56bb32d68a95be22726113a68c4ce9ee2e251b19