message: Update envoy.yaml in Redis proxy example
  Description: Make Redis example use catch_all_route.
  Risk Level: Low.
  Testing: Done. docker-compose up --build brings up envoy proxy and I was able to run Redis commands using redis-cli.
diff: @@ -11,9 +11,11 @@ static_resources:
  typed_config:
  "@type": type.googleapis.com/envoy.config.filter.network.redis_proxy.v2.RedisProxy
  stat_prefix: egress_redis
  - cluster: redis_cluster
  settings:
  op_timeout: 5s
  + prefix_routes:
  + catch_all_route:
  + cluster: redis_cluster
  clusters:
  - name: redis_cluster
  connect_timeout: 1s
  