Updates hydra: 7ac35a4 Upgrade all snap packages at hydractl upgrade

diff --git a/hydra b/hydra
index 40bffbe91a762217e1679586b80df06fbf754f3c..7ac35a49e69c6a65c668450f12679eb0a2aab011 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 40bffbe91a762217e1679586b80df06fbf754f3c
+Subproject commit 7ac35a49e69c6a65c668450f12679eb0a2aab011