Update Dockerfile to 1.18.1 (#20138)

build/Dockerfile.buildenv

@@ -1,3 +1,3 @@
-FROM golang:1.16.7@sha256:0b5bf2d2c5682b0de7425b8a379330493bb8bbe984ebbcaf7ced1c0138640417
+FROM golang:1.18.1@sha256:ee752bc53c628ff789bacefb714cff721701042ffa9eb736f7b2ed4e9f2bdab6
 
 RUN apt-get update && apt-get install -y make git apt-transport-https ca-certificates curl software-properties-common build-essential zip xmlsec1 jq