update dependencies, use go 1.21. (#392) #42

	name: linux

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	test:
	strategy:
	matrix:
	go-version: [1.18.x, 1.20.x]
	os: [ubuntu-latest]
	runs-on: ${{ matrix.os }}
	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: ${{ matrix.go-version }}
	cache: true

	- name: Install tools
	run: \|
	go install golang.org/x/tools/cmd/goimports@latest

	- name: Test
	run: \|
	export VDLPATH=$GITHUB_WORKSPACE
	go test --race --covermode=atomic --timeout=15m ./...
	cd x/ref/examples
	go test --race --covermode=atomic ./...

	integration-tests:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: 1.20.x
	cache: true

	- name: Install openssl
	run: \|
	uname -a
	sudo apt-get update -y
	sudo apt-get install -y pkg-config openssl libssl-dev

	- name: Test
	run: \|
	make test-integration test-openssl-integration

	linting:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: 1.21.x
	cache: true

	- name: Lint
	uses: golangci/golangci-lint-action@v3
	with:
	version: latest

	- name: Vulnerabilities
	run: \|
	go install golang.org/x/vuln/cmd/govulncheck@latest
	govulncheck ./...

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