Update Go to 1.16.7

go1.16.7 (released 2021-08-05) includes a security fix to the net/http/httputil
package, as well as bug fixes to the compiler, the linker, the runtime, the go
command, and the net/http package. See the Go 1.16.7 milestone on the issue
tracker for details:

https://github.com/golang/go/issues?q=milestone%3AGo1.16.7+label%3ACherryPickApproved

Signed-off-by: Sebastiaan van Stijn <[email protected]>

Author: thaJeztah

common.mk

@@ -16,7 +16,7 @@ BUILDTIME=$(shell date -u -d "@$${SOURCE_DATE_EPOCH:-$$(date +%s)}" --rfc-3339 n
 CHOWN:=docker run --rm -v $(CURDIR):/v -w /v alpine chown
 DEFAULT_PRODUCT_LICENSE:=Community Engine
 DOCKER_GITCOMMIT:=abcdefg
-GO_VERSION:=1.16.6
+GO_VERSION:=1.16.7
 PLATFORM=Docker Engine - Community
 SHELL:=/bin/bash
 VERSION?=0.0.1-dev