update go version #397

	name: Go
	on: [push, pull_request]
	jobs:

	build:
	name: Build
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go: ["1.20"]
	steps:

	- name: Check out code into the Go module directory
	uses: actions/checkout@v4

	- name: Set up Go ${{ matrix.go }}
	uses: actions/setup-go@v5
	with:
	go-version: ${{ matrix.go }}
	cache-dependency-path: go.sum
	id: go

	- name: Get dependencies
	run: go get -v -t -d ./...

	- name: Test
	run: \|
	cp config.json.sample examples/config.json
	go test `go list ./... \| grep -v benchmark` -short

	- name: Check code quality
	run: \|
	export GOROOT=$(go env GOROOT)
	export GOPATH=$(go env GOPATH)
	export PATH=$GOROOT/bin:$GOPATH/bin:$PATH
	which go
	go version
	wget -nv https://github.com/mgechev/revive/releases/download/v1.2.1/revive_1.2.1_Linux_x86_64.tar.gz
	tar xf revive_1.2.1_Linux_x86_64.tar.gz -C /tmp
	/tmp/revive -config .revive.toml -formatter friendly -exclude vendor/... $(go list ./...)

	- name: Make
	run: make all

	- name : Upload artifact
	uses: actions/upload-artifact@v4
	with:
	name: arbiter-ubuntu
	path: arbiter

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