Update go module to Go 1.21 (which is what we actually use) #273

	name: Test

	on: [push, pull_request]

	jobs:

	format:
	name: Format (gofmt)
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@master
	- uses: actions/setup-go@master
	with:
	go-version: '1.17'
	- name: gofmt
	run: test -z $(gofmt -l .) \|\| (gofmt -d . && exit 1)

	lint:
	name: Lint (golangci-lint)
	runs-on: ubuntu-latest
	needs: [format]
	steps:
	- uses: actions/checkout@master
	- uses: actions/setup-go@master
	with:
	go-version: '1.17'
	- name: golangci-lint
	run: \|
	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh \| sh -s -- -b $(go env GOPATH)/bin v1.35.2
	CGO_ENABLED=0 golangci-lint run -v ./...

	test:
	name: Tests (go test)
	runs-on: ubuntu-latest
	needs: [lint]
	steps:
	- uses: actions/checkout@master
	- uses: actions/setup-go@master
	with:
	go-version: '1.17'
	- name: Install inkscape
	run: \|
	sudo add-apt-repository ppa:inkscape.dev/stable
	sudo apt update
	sudo apt install -y inkscape
	- name: go test
	run: go test -timeout 20s -race ./...

	build:
	name: Build (Docker)
	runs-on: ubuntu-latest
	needs: [lint]
	steps:
	- uses: actions/checkout@master
	- name: Run Docker Build
	run: docker build -t battlesnakeofficial/exporter .

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