Update: Add golang v1.20 and v1.21 to build #16

	name: build-go
	on:
	push:
	branches:
	- master
	pull_request:

	defaults:
	run:
	shell: bash

	env:
	GO111MODULE: on

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	go:
	- "1.17"
	- "1.18"
	- "1.19"
	- "1.20"
	- "1.21"
	steps:
	- uses: actions/checkout@v3

	- uses: actions/setup-go@v4
	with:
	go-version: ${{ matrix.go }}

	- name: setup
	run: \|
	go version
	go install github.com/securego/gosec/cmd/gosec@latest
	go install github.com/axw/gocov/gocov@master
	go install github.com/AlekSi/gocov-xml@latest

	- name: setup-for-older-go
	if: ${{ matrix.go <= 1.17 }}
	run: \|
	# stay on an older version of golangci-lint which still builds against 1.17
	# This is due to the introduction of generics.
	go install github.com/golangci/golangci-lint/cmd/[email protected]

	- name: setup-for-newer-go
	if: ${{ matrix.go > 1.17 }}
	run: \|
	go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest

	- name: build
	run: \|
	make

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