Update go version (#61) #65

	name: Go Tests
	on: [push, pull_request]

	jobs:
	verify-goimports:
	runs-on: ubuntu-latest
	steps:
	- name: Setup Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.21
	stable: true

	- run: \|
	echo "GOPATH=${HOME}/go" >> $GITHUB_ENV

	- uses: actions/checkout@v2

	- name: verify goimports
	run: \|
	files=$(go run golang.org/x/tools/cmd/goimports -format-only -l .)
	# Sadly goimports doesn't use exit codes
	if [[ -n "${files}" ]]; then
	echo "::error ::goimports should be run on these files:"
	echo "${files}"
	exit 1
	fi

	verify-gomod:
	runs-on: ubuntu-latest
	steps:
	- name: Set up Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.21
	stable: true

	- name: Check code
	uses: actions/checkout@v2

	- run: go mod tidy

	- name: Verify no changes from go mod tidy.
	run: \|
	if [ -n "$(git status --porcelain)" ]; then
	git status # These are the files that failed to pass the check.
	exit 1
	fi
	tests:
	runs-on: ubuntu-latest
	steps:
	- name: Install Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.21
	stable: true

	- name: Check out code
	uses: actions/checkout@v2

	- name: Build
	run: go build -v ./...

	- name: Test
	run: \|
	make test

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