Updates hydra: 97239be Fix: provision: make a larger /boot partition

diff --git a/hydra b/hydra
index 5422fd9b0b085937b1924c71bb3e5e3bd09afb38..97239bea4ce51cdb25584580e20b75545ecb84c2 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 5422fd9b0b085937b1924c71bb3e5e3bd09afb38
+Subproject commit 97239bea4ce51cdb25584580e20b75545ecb84c2