Update golang to 1.18.5

Update Go runtime to 1.18.5 to address CVE-2022-32189.

Full diff: https://github.com/golang/go/compare/go1.18.4...go1.18.5

--------------------------------------------------------

From the security announcement:
https://groups.google.com/g/golang-announce/c/YqYYG87xB10

We have just released Go versions 1.18.5 and 1.17.13, minor point
releases.

These minor releases include 1 security fixes following the security
policy:

encoding/gob & math/big: decoding big.Float and big.Rat can panic

Decoding big.Float and big.Rat types can panic if the encoded message is
too short.

This is CVE-2022-32189 and Go issue https://go.dev/issue/53871.

View the release notes for more information:
https://go.dev/doc/devel/release#go1.18.5

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit f1d71f7cc3)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Dockerfile

@@ -3,7 +3,7 @@
 ARG CROSS="false"
 ARG SYSTEMD="false"
 # IMPORTANT: When updating this please note that stdlib archive/tar pkg is vendored
-ARG GO_VERSION=1.18.4
+ARG GO_VERSION=1.18.5
 ARG DEBIAN_FRONTEND=noninteractive
 ARG VPNKIT_VERSION=0.5.0
 ARG DOCKER_BUILDTAGS="apparmor seccomp"

Dockerfile.e2e

@@ -1,4 +1,4 @@
-ARG GO_VERSION=1.18.4
+ARG GO_VERSION=1.18.5
 
 FROM golang:${GO_VERSION}-alpine AS base
 ENV GO111MODULE=off

Dockerfile.simple

@@ -5,7 +5,7 @@
 
 # This represents the bare minimum required to build and test Docker.
 
-ARG GO_VERSION=1.18.4
+ARG GO_VERSION=1.18.5
 
 FROM golang:${GO_VERSION}-buster
 ENV GO111MODULE=off

Dockerfile.windows

@@ -165,7 +165,7 @@ FROM microsoft/windowsservercore
 # Use PowerShell as the default shell
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-ARG GO_VERSION=1.18.4
+ARG GO_VERSION=1.18.5
 ARG GOTESTSUM_VERSION=v1.7.0
 
 # Environment variable notes: