ci: update go lint to `4.0.0` #15

	name: Go
	on:
	push:
	branches: [ master ]
	paths:
	- '**.go'
	- 'go.mod'
	- '.github/workflows/go.yml'
	pull_request:
	paths:
	- '**.go'
	- 'go.mod'
	- '.github/workflows/go.yml'
	env:
	GOPROXY: "https://proxy.golang.org"

	jobs:
	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	- name: Install Go
	uses: actions/setup-go@v5
	with:
	go-version: 1.21.x
	- name: Run golangci-lint
	uses: golangci/golangci-lint-action@v3
	with:
	version: v4.0.0
	args: --timeout=10m
	- name: Check Go module tidiness
	shell: bash
	run: \|
	go mod tidy
	STATUS=$(git status --porcelain)
	if [ ! -z "$STATUS" ]; then
	echo "Unstaged files:"
	echo $STATUS
	echo "Run 'go mod tidy' commit them"
	exit 1
	fi

	test:
	name: Test
	runs-on: ubuntu-latest
	services:
	postgres:
	image: postgres:12
	env:
	POSTGRES_PASSWORD: postgres
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 5432:5432
	steps:
	- name: Install Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.21.x
	- name: Checkout code
	uses: actions/checkout@v2
	- name: Run tests
	run: go test -v -race ./...
	env:
	PGPORT: 5432
	PGHOST: localhost
	PGUSER: postgres
	PGPASSWORD: postgres
	PGSSLMODE: disable

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