Downgrade to Go 1.21 #299

	name: CI

	on:
	push:
	branches:
	- '*'
	tags:
	- ''

	jobs:

	build:
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, macos-latest]
	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@v4

	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version-file: 'go.mod'

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

	- name: Checkout dummy repo
	uses: actions/checkout@v4
	with:
	repository: seachicken/can
	path: ci-test
	fetch-depth: 0

	- name: Test
	working-directory: ./ci-test
	run: \|
	for branch in $(git branch --all \| grep '^\s*remotes' \| egrep --invert-match 'main$')
	do
	git branch --track "${branch##*/}" "$branch"
	done
	echo ${{ secrets.GITHUB_TOKEN }} \| gh auth login --with-token
	go test $(go list ../... \| grep -v /conn) -v -race -coverprofile=coverage.out -covermode=atomic

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3
	with:
	directory: ./ci-test/

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