bump gossamer commit

diff --git a/gossamer b/gossamer
index 16e66f04b31d49f1f5fc67aeff5d61e9bdbbe5ca..6657eb097bcb83ac19b3509e0296ee151fb310d9 160000 (submodule)
--- a/gossamer
+++ b/gossamer
@@ -1 +1 @@
-Subproject commit 16e66f04b31d49f1f5fc67aeff5d61e9bdbbe5ca
+Subproject commit 6657eb097bcb83ac19b3509e0296ee151fb310d9