fix upgrading guide #146

	name: Test
	on:
	push:
	pull_request:

	jobs:
	test:
	name: Test
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	go:
	- "stable"
	- "1.22"
	- "1.21"
	- "1.20"
	- "1.19"
	- "1.18"

	steps:
	- name: Check out code into the Go module directory
	uses: actions/checkout@v4

	- name: Set up Go ${{ matrix.go }}
	uses: actions/setup-go@v5
	with:
	go-version: ${{ matrix.go }}

	- name: Test
	run: go test -v -coverprofile=profile.cov .

	- name: Send coverage
	uses: shogo82148/actions-goveralls@v1
	with:
	path-to-profile: profile.cov
	flag-name: Go-${{ matrix.go }}
	parallel: true

	# notifies that all test jobs are finished.
	finish:
	needs: test
	runs-on: ubuntu-latest
	steps:
	- uses: shogo82148/actions-goveralls@v1
	with:
	parallel-finished: true

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