ci: update go-version in action #28

	name: CI

	on:
	- push

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go-version: [ '1.18', '1.19', '1.20', '1.21.x' ]

	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-go@v2
	with:
	go-version: ${{ matrix.go-version }}

	- name: Install dependencies
	run: \|
	go version
	go get -u golang.org/x/lint/golint

	- name: Build
	run: \|
	go build ./...

	- name: Test
	run: go test -gcflags=-l -v ./...

	- name: Vet & Lint
	run: \|
	go vet ./...
	golint -set_exit_status=1 ./...

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