build(deps): bump github.com/envoyproxy/envoy from 1.31.1-0.20240821014141-c8f58b61c36d to 1.31.2 in /golang-http/simple in the examples-golang-http group across 1 directory

build(deps): bump github.com/envoyproxy/envoy from 1.31.1-0.20240821014141-c8f58b61c36d to 1.31.2 in /golang-http/simple in the examples-golang-http group across 1 directory #459