update to go 1.21 to fix CVE-2023-44487 #131

	name: Continous Integration Tests
	on: [push, pull_request]
	jobs:
	tailor:
	name: Run tests
	runs-on: ubuntu-20.04
	steps:
	-
	name: Checkout repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	-
	name: Setup Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.21
	-
	name: Download Go tools
	run: \|
	go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.56.2
	go install golang.org/x/tools/cmd/goimports@latest
	echo "PATH=$PATH:$(go env GOPATH)/bin" >> $GITHUB_ENV
	-
	name: Run lint
	run: \|
	make lint
	-
	name: Setup OpenShift
	uses: manusa/actions-setup-openshift@v1.1.4
	timeout-minutes: 15
	with:
	oc version: 'v3.11.0'
	enable: 'centos-imagestreams,persistent-volumes,registry,router'
	github token: ${{ secrets.GITHUB_TOKEN }}
	-
	name: Run tests
	run: \|
	sudo chown -R runner:docker openshift.local.clusterup/
	make test

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