Updates hydra: 14785fa Fix: docs: TPC: password management through hiera-eyaml

diff --git a/hydra b/hydra
index 3e754e2a0fa49b9e1cff4a09f648dc23c57944c3..14785fa0d1f823734f1b8e7cc70ace87b31052a7 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 3e754e2a0fa49b9e1cff4a09f648dc23c57944c3
+Subproject commit 14785fa0d1f823734f1b8e7cc70ace87b31052a7