Tests

improve readme doc example #2

	name: Tests

	on:
	pull_request:
	push:

	env:
	GO_VERSION: '1.21'

	jobs:
	build-and-test:
	name: Build and Test
	runs-on: ubuntu-latest
	steps:
	- name: Setup golang ${{ env.GO_VERSION }}
	uses: actions/setup-go@v3
	with:
	go-version: ${{ env.GO_VERSION }}

	- name: Checkout
	uses: actions/checkout@v3

	- name: Build
	run: go build -v .

	- name: Import test GPG key
	run: gpg --import test/testing-key.pgp

	- name: Test
	run: make test

	- name: Crossbuild
	run: make crossbuild

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