deps: update golang docker tag to v1.21 - autoclosed #476

	---
	name: Run tests

	on:
	push:
	branches: [main]
	pull_request:

	jobs:
	test:
	name: Unit Tests
	runs-on: ubuntu-latest
	steps:
	- uses: actions/setup-go@v4
	with:
	go-version: '1.20'
	- uses: actions/checkout@v4
	- name: Run tests
	run: \|
	go vet ./...
	go test $(go list ./... \| grep -v e2e)

	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/setup-go@v4
	with:
	go-version: '1.20'
	- uses: actions/checkout@v4
	- name: golangci-lint
	uses: golangci/golangci-lint-action@v3
	with:
	# Required: the version of golangci-lint is required and must be specified without patch version
	version: v1.53.3
	# In general linting is quite fast with warm caches, but a fresh run might take some time.
	args: --timeout 5m

	imports:
	name: Check Imports
	runs-on: ubuntu-latest
	steps:
	- uses: actions/setup-go@v4
	with:
	go-version: '1.20'
	- uses: actions/checkout@v4
	- name: Check imports
	shell: bash
	run: \|
	export PATH=$(go env GOPATH)/bin:$PATH
	go get golang.org/x/tools/cmd/goimports
	diff -u <(echo -n) <(goimports -d .)

	deploy-manifests:
	name: Check deployment manifests
	runs-on: ubuntu-latest
	steps:
	- uses: yokawasa/[email protected]
	with:
	setup-tools: \|
	helm
	helm: v3.11.2

	- uses: actions/checkout@v4
	- name: Generate manifests from helm chart
	run: scripts/update-deployment-yamls.sh

	- name: Check for diff
	run: git diff --exit-code -- deploy/

	- name: Show warning
	if: ${{ failure() }}
	run: echo "::error title=Deployment Manifests outdated::Please run scripts/update-deployment-yamls.sh and commit the changes to deploy/"

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