chore(envoy): disable request timeouts for /ar-io routes in envoy.tem…

…plate.yaml

Gateways are experiencing `upstream request timeout` for endpoints like `/ar-io/debug` given the amount of time it may take to query the database. There is likely oppurtunity to remove/disable timeouts for other endpoints proxied by envoy, but scoped this to just `/ar-io` endpoints.

envoy/envoy.template.yaml

@@ -71,6 +71,7 @@ static_resources:
                               num_retries: 5
                         - match: { prefix: '/ar-io' }
                           route:
+                            timeout: 0s
                             cluster: ario_gateways
                             retry_policy:
                               retry_on: '5xx,reset'