Bump go version to 1.21.9 in v0.59.x line #1614

	name: test-gh-k8s-1.16
	on:
	push:
	branches:
	- develop
	pull_request:
	types: [opened, reopened, synchronize]
	jobs:
	test-all:
	name: Test GH
	runs-on: ubuntu-20.04
	steps:
	- name: Set up Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.21.9
	- name: Check out code into the Go module directory
	uses: actions/checkout@v2
	with:
	path: src/github.com/${{ github.repository }}
	fetch-depth: 0
	- name: Run Tests
	run: \|
	set -e -x

	export GOPATH=$(pwd)
	cd src/github.com/${{ github.repository }}

	# Install ytt for build
	mkdir -p /tmp/bin
	export PATH=/tmp/bin:$PATH

	./hack/verify-no-dirty-files.sh

	wget -O- https://carvel.dev/install.sh \| K14SIO_INSTALL_BIN_DIR=/tmp/bin bash

	wget -O- https://github.com/kubernetes/minikube/releases/download/v1.10.0/minikube-linux-amd64 > /tmp/bin/minikube
	chmod +x /tmp/bin/minikube
	minikube start --driver=docker --kubernetes-version 1.16.0
	eval $(minikube docker-env --shell=bash)

	# Ensure that there is no existing kapp installed
	rm -f /tmp/bin/kapp

	./hack/build-binaries.sh

	export KAPP_E2E_NAMESPACE=kapp-test
	kubectl create ns $KAPP_E2E_NAMESPACE

	./hack/test-all.sh

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