Bump appveyor go version to 1.20 #83

	name: Release
	on: [pull_request]
	env:
	PROJECT: "github.com/emitter-io/emitter"
	GO111MODULE: "on"

	jobs:
	publish:
	name: Docker
	runs-on: ubuntu-latest
	steps:
	- name: Install Go
	uses: actions/setup-go@v1
	with:
	go-version: 1.20
	id: go
	- name: Login to DockerHub Registry
	run: echo ${{ secrets.DOCKERHUB_PASSWORD }} \| docker login -u ${{ secrets.DOCKERHUB_USERNAME }} --password-stdin
	- name: Check out code into the Go module directory
	uses: actions/checkout@v1
	- name: Build the Docker image
	run: \|
	go build .
	docker build . --file Dockerfile --tag emitter/server:edge
	- name: Push the Docker image
	run: docker push emitter/server:edge

Provide feedback