Convert porter/gcloud-mixin to GitHub Actions #1

	name: porter/gcloud-mixin
	on:
	push:
	branches:
	- main
	- v*
	pull_request:
	branches:
	- main
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: checkout
	uses: actions/checkout@v4.1.0
	# # This item has no matching transformer
	# - task: GoTool@0
	# inputs:
	# version: 1.19.2
	# displayName: Install Go
	- name: Configure Agent
	run: go run mage.go ConfigureAgent
	- name: Test
	run: mage Test
	- name: Cross Compile
	run: mage XBuildAll
	- name: Publish
	if: success() && github.event_name != 'PullRequest'
	env:
	GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
	run: mage Publish

Provide feedback