VERISON: Bumping libweave to v1.3.4

BUG=None
TEST=None

Change-Id: I41400ca1f92e7156406369b4f7c3943c293868ef
Reviewed-on: https://weave-review.googlesource.com/2862
Reviewed-by: Ben Henry <benhenry@google.com>

VERSION

diff --git a/VERSION b/VERSION
index 3a3cd8c..d0149fe 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.3.1
+1.3.4