update golang version 1.20 #15

	name: CI
	# 在master分支发生push事件时触发。
	on:
	push:
	branches:
	- master
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: GoModules
	run: go env -w GO111MODULE=on
	- name: tidy
	run: go mod tidy
	- name: run main.go
	run: CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build src/main.go
	- name: BuildDockerImage
	run: docker build . --file Dockerfile --tag chinaarjun/devtools:${{ github.ref_name }}
	- name: Publish to Registry
	uses: elgohr/Publish-Docker-Github-Action@v4

	with:
	name: chinaarjun/devtools:${{ github.ref_name }}
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}
	snapshot: true

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