Enable Go 1.21 and 1.22 in CI workflow #116

	name: CI
	on: [push, pull_request]

	jobs:
	test:
	name: Test
	strategy:
	matrix:
	go: ['1.14', '1.15', '1.16', '1.21', '1.22', '1.23']
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- uses: actions/setup-go@v4
	with:
	go-version: ${{ matrix.go }}
	- name: Test
	run: go vet . && go build . && go test -count=1 -covermode=count -coverprofile=coverage.out .
	env:
	GODEBUG: x509sha1=1

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