Updates hydra: 4423ea3 Fix: hydractl: sync-media: do not depend on git-extras package

diff --git a/hydra b/hydra
index f4905b6a4823cf0f4b0b0c34506cf2200e071a5b..4423ea3c480a6a092f843688bc15ee62304885c9 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit f4905b6a4823cf0f4b0b0c34506cf2200e071a5b
+Subproject commit 4423ea3c480a6a092f843688bc15ee62304885c9