[roll] Roll fuchsia [blobfs-ramdisk] Increase test ramctl timeout

A 30s timeout is already used by the block_client tests.

Original-Bug: 81148
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/573569
Original-Revision: 798e8b0253f7371f735ccd476fe546bb88b11bed
GitOrigin-RevId: f5939e3116f3362230e7033eb354b7cf39b37241
Change-Id: I7b6d46392768917ab13c814f19dd706bf7e38912
diff --git a/stem b/stem
index 94e31cd..2de54e5 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="2dd2ceeedb896032bd1e80560875e6d02aa84784"/>
+             revision="798e8b0253f7371f735ccd476fe546bb88b11bed"/>
   </projects>
   <hooks>
     <hook name="install-environment"