Update-golang-ci-helper (#714)

## What
updated the golang-ci-helper dockerfile to 1.21

## Why
it is being used in autopilot ci (and other places), and 1.21 is needed
there.

## Notes
there is no pipeline releasing this image. it should be manually push to
`quay.io/codefresh/golang-ci-helper`

Author: ATGardner

build/Dockerfile.helper

@@ -1,4 +1,4 @@
-FROM golang:1.20.3-alpine3.17
+FROM golang:1.21.1-alpine3.18
 
 RUN apk -U add --no-cache \
   bash \
@@ -12,14 +12,14 @@ RUN apk -U add --no-cache \
   openssl \
   && update-ca-certificates
 
-ARG GH_VERSION=2.27.0
+ARG GH_VERSION=2.35.0
 RUN curl -L https://github.com/cli/cli/releases/download/v${GH_VERSION}/gh_${GH_VERSION}_linux_amd64.tar.gz --output gh.tar.gz \
   && tar -xzf gh.tar.gz \
   && mv gh_${GH_VERSION}_linux_amd64/bin/gh /usr/local/bin \
   && rm gh.tar.gz \
   && rm -rf gh_${GH_VERSION}_linux_amd64
 
-ARG KUSTOMIZE_VERSION=5.0.1
+ARG KUSTOMIZE_VERSION=5.1.1
 RUN curl -Ls https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize%2Fv${KUSTOMIZE_VERSION}/kustomize_v${KUSTOMIZE_VERSION}_linux_amd64.tar.gz --output kustomize.tar.gz  \
   && tar -xzf kustomize.tar.gz \
   && mv ./kustomize /usr/bin \