build(deps): bump github.com/envoyproxy/go-control-plane from 0.12.1-0.20240123181358-841e293a220b to 0.13.1 in /examples/xds-sotw-config-server

build(deps): bump github.com/envoyproxy/go-control-plane from 0.12.1-0.20240123181358-841e293a220b to 0.13.1 in /examples/xds-sotw-config-server #995