Bump Golang 1.12.9

Signed-off-by: Jintao Zhang <zhangjintao9020@gmail.com>
(cherry picked from commit cc3b9fb)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: a67e30e82465a14edf704142636e3ebc98bddcbf
Component: packaging

Author: tao12345666333

components/packaging/common.mk

@@ -2,7 +2,7 @@ ARCH=$(shell uname -m)
 BUILDTIME=$(shell date -u -d "@$${SOURCE_DATE_EPOCH:-$$(date +%s)}" --rfc-3339 ns 2> /dev/null | sed -e 's/ /T/')
 DEFAULT_PRODUCT_LICENSE:=Community Engine
 DOCKER_GITCOMMIT:=abcdefg
-GO_VERSION:=1.12.8
+GO_VERSION:=1.12.9
 PLATFORM=Docker Engine - Community
 SHELL:=/bin/bash
 VERSION?=0.0.0-dev