Bump Golang 1.13.15

full diff: golang/go@go1.13.14...go1.13.15

go1.13.15 (released 2020/08/06) includes security fixes to the encoding/binary
package. See the Go 1.13.15 milestone on the issue tracker for details.

https://github.com/golang/go/issues?q=milestone%3AGo1.13.15+label%3ACherryPickApproved

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 1e6aaf9)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: 17de16ed2f81dc13514b0923b24392851211606c
Component: packaging

Author: thaJeztah

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:=1.13.14
+GO_VERSION:=1.13.15
 PLATFORM=Docker Engine - Community
 SHELL:=/bin/bash
 VERSION?=0.0.0-dev