Enable Go 1.20 and 1.21 in ci (#69) #40

	on: [push, pull_request]
	name: Continuous Integration
	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go: ['1.14', '1.15', '1.16', '1.18', '1.19', '1.20', '1.21']
	name: Running with Go ${{ matrix.go }}
	steps:
	- name: Install Go
	uses: actions/setup-go@v2
	with:
	go-version: ${{ matrix.go }}
	- name: Checkout code
	uses: actions/checkout@v2
	- name: Run the tests
	run: go test -coverprofile=coverage.txt -covermode=count ./...
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v2
	with:
	files: coverage.txt

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