Fix and test goroutine leak #827

	name: Go

	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]

	jobs:
	build:
	name: Build and Test using Golang ${{ matrix.go-version }}
	strategy:
	fail-fast: false
	matrix:
	go-version: [1.19.x, 1.20.x, stable]

	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	path: go/src/github.com/refraction-networking/conjure

	- name: Install deps
	run: \|
	sudo apt-get update
	sudo apt-get install protobuf-compiler software-properties-common -y -q
	sudo apt-get install libzmq3-dev libssl-dev pkg-config libgmp3-dev -y -q

	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: ${{ matrix.go-version }}

	- name: Test
	run: \|
	cd $GITHUB_WORKSPACE/go/src/github.com/refraction-networking/conjure
	export GOPATH="$GITHUB_WORKSPACE/go"
	go test -v -race ./...

	- name: Build app
	run: \|
	cd $GITHUB_WORKSPACE/go/src/github.com/refraction-networking/conjure
	make app

	- name: Build registration-server
	run: \|
	cd $GITHUB_WORKSPACE/go/src/github.com/refraction-networking/conjure
	make registration-server

	golangci-lint:
	name: Format and Lint with golangci-lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Install deps
	run: \|
	sudo apt-get update
	sudo apt-get install protobuf-compiler software-properties-common -y -q
	sudo apt-get install libzmq3-dev libssl-dev pkg-config libgmp3-dev -y -
	- name: golangci-lint
	uses: golangci/golangci-lint-action@v3
	with:
	version: latest
	args: -v --disable structcheck,govet --timeout 5m

Provide feedback