Update ci workflows (add go1.21) #583

	name: build

	on:
	push:
	branches:
	- main
	pull_request:
	types: [opened, synchronize, reopened]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	go: ["1.19", "1.20", "1.21"]
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Setup Go
	uses: actions/setup-go@v4
	with:
	go-version: "${{ matrix.go }}"
	check-latest: true
	- name: Check Go code formatting
	run: \|
	if [ "$(gofmt -s -l . \| wc -l)" -gt 0 ]; then
	gofmt -s -l .
	echo "Please format Go code by running: go fmt ./..."
	exit 1
	fi
	- name: Build
	run: \|
	go install github.com/mfridman/tparse@latest
	go vet ./...
	go test -v -race -count=1 -json -cover ./... \| tee output.json \| tparse -follow -notests \|\| true
	tparse -format markdown -file output.json -all > $GITHUB_STEP_SUMMARY
	go build ./...
	coverage:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Setup Go
	uses: actions/setup-go@v4
	- name: Coverage
	run: \|
	go test -v -covermode=count -coverprofile=coverage.cov ./...
	- name: Coveralls
	uses: coverallsapp/github-action@v2
	with:
	file: coverage.cov
	format: golang

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