use Go1.21 #27

	name: Test
	on: [push, pull_request]

	jobs:

	test:
	strategy:
	matrix:
	os: [ ubuntu-latest, macos-latest, windows-latest ]
	go: [ 1.21.x ]
	resolver: [ stub, unbound ]
	exclude:
	- os: windows-latest
	resolver: unbound
	- os: macos-latest
	resolver: unbound
	name: Go Test (${{ matrix.go }}, ${{matrix.resolver}}, ${{ matrix.os }})
	runs-on: ${{ matrix.os }}
	steps:
	- name: Set up Go ${{ matrix.go }}
	uses: actions/setup-go@v1
	with:
	go-version: ${{ matrix.go }}
	- name: Check out code
	uses: actions/checkout@v2
	- name: Install dependencies
	run: \|
	go mod download
	- name: Run Unit tests
	run: \|
	if [ "$RUNNER_OS" == "Linux" ] && [ "${{ matrix.resolver }}" == "unbound" ]; then
	sudo apt-get -y update && sudo apt-get install -y libunbound-dev
	go test -tags unbound -coverprofile=covprofile ./...
	else
	go test -coverprofile=covprofile ./...
	fi
	shell: bash
	- name: Set up GOPATH
	shell: bash
	run: \|
	echo "$(go env GOPATH)/bin" >> "$GITHUB_PATH"
	- name: Install goveralls
	env:
	GO111MODULE: off
	run: go get github.com/mattn/goveralls
	- name: Coverage
	env:
	COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	goveralls -coverprofile=covprofile -service=github -parallel -flagname="(${{ matrix.go }}, ${{matrix.resolver}}, ${{ matrix.os }})"
	shell: bash

	finish:
	needs: test
	name: Finish
	runs-on: ubuntu-latest
	steps:
	- name: Coveralls Finished
	uses: coverallsapp/github-action@master
	with:
	github-token: ${{ secrets.github_token }}
	parallel-finished: true

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