Update Envoy SHA for WebSocket fix (#1859)
Update Envoy SHA for WebSocket fix (#1859)

Signed-off-by: Shriram Rajagopalan <b02049c3ef4acab83d183f0a320d58683d0c3bb3@vmware.com>
istio/proxy,lizan/proxy,lizan/proxy,istio/proxy,istio/proxy,istio/proxy,lizan/proxy,lizan/proxy