Update Envoy-WASM SHA to latest. (#2500)
Update Envoy-WASM SHA to latest. (#2500)

Signed-off-by: Piotr Sikora <ba6f3a1a6d7e1ecae91b31e93969cc392fbd0fdd@google.com>
istio/proxy,istio/proxy,istio/proxy,istio/proxy