[Automation] Update go release version to 1.16.15 (#165)

Co-authored-by: apmmachine <[email protected]>

Jenkinsfile

@@ -12,7 +12,7 @@ pipeline {
     DOCKER_REGISTRY_SECRET = 'secret/observability-team/ci/docker-registry/prod'
     REGISTRY = 'docker.elastic.co'
     STAGING_IMAGE = "${env.REGISTRY}/observability-ci"
-    GO_VERSION = '1.17.6'
+    GO_VERSION = '1.16.15'
   }
   options {
     timeout(time: 3, unit: 'HOURS')

go/Makefile.common

@@ -2,7 +2,7 @@ SELF_DIR := $(dir $(lastword $(MAKEFILE_LIST)))
 include $(SELF_DIR)/../Makefile.common
 
 NAME           := golang-crossbuild
-VERSION        := 1.16.9
+VERSION        := 1.16.15
 DEBIAN_VERSION ?= 9
 SUFFIX         := -$(shell basename $(CURDIR))
 TAG_EXTENSION  ?=

go/base-arm/Dockerfile.tmpl

@@ -37,9 +37,9 @@ RUN \
             libsqlite3-0 \
         && rm -rf /var/lib/apt/lists/*
 
-ARG GOLANG_VERSION=1.16.9
+ARG GOLANG_VERSION=1.16.15
 ARG GOLANG_DOWNLOAD_URL=https://golang.org/dl/go$GOLANG_VERSION.linux-arm64.tar.gz
-ARG GOLANG_DOWNLOAD_SHA256=92b3c4051b9388181d2fedf498a4137ca5cc17550c69f96418a434f8baca3ccf
+ARG GOLANG_DOWNLOAD_SHA256=c2f27f0ce5620a9bc2ff3446165d1974ef94e9b885ec12dbfa3c07e0e198b7ce
 
 RUN curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz \
 	&& echo "$GOLANG_DOWNLOAD_SHA256  golang.tar.gz" | sha256sum -c - \

go/base/Dockerfile.tmpl

@@ -29,9 +29,9 @@ RUN apt-get -o Acquire::Check-Valid-Until=false update -y --no-install-recommend
 RUN ln -s /usr/bin/pip3 /usr/bin/pip
 {{ end }}
 
-ARG GOLANG_VERSION=1.16.9
+ARG GOLANG_VERSION=1.16.15
 ARG GOLANG_DOWNLOAD_URL=https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz
-ARG GOLANG_DOWNLOAD_SHA256=d2c095c95f63c2a3ef961000e0ecb9d81d5c68b6ece176e2a8a2db82dc02931c
+ARG GOLANG_DOWNLOAD_SHA256=77c782a633186d78c384f972fb113a43c24be0234c42fef22c2d8c4c4c8e7475
 
 RUN curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz \
 	&& echo "$GOLANG_DOWNLOAD_SHA256  golang.tar.gz" | sha256sum -c - \