use go 1.21.3 #1670

	name: Test Go code

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	test-go:
	runs-on: ubuntu-latest
	steps:
	- name: Check out code
	uses: actions/checkout@v4
	with:
	show-progress: false

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version-file: go.mod

	- name: Test
	run: make test

	- name: Check for local changes
	run: git diff --exit-code

	- name: Report code coverage
	uses: codecov/codecov-action@v3
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	files: ./.cover/coverage.out
	fail_ci_if_error: true

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