update go version and goreleaser version #20

	name: Workflow
	on: push
	jobs:

	test:
	name: Test
	runs-on: ubuntu-latest
	steps:

	- name: Checkout code
	uses: actions/checkout@v3

	- name: Setup Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.21

	- name: Run unit test
	run: make test

	- name: Run linter
	run: make lint

	goreleaser:
	name: Release binaries
	needs: test
	if: startsWith(github.ref, 'refs/tags/') # `git push origin tagName` from local is required.
	runs-on: ubuntu-latest
	steps:

	- name: Checkout
	uses: actions/checkout@v3

	- name: Unshallow
	run: git fetch --prune --unshallow

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.21

	- name: Run GoReleaser
	uses: goreleaser/goreleaser-action@v4
	with:
	version: latest
	args: release --clean
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	HOMEBREW_TAP_GITHUB_TOKEN: ${{ secrets.HOMEBREW_TAP_GITHUB_TOKEN }}

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