devops: add linux and mac coverage to PR validation #6

	name: Validate
	on:
	push:
	branches: ["main"]
	pull_request:
	branches: [ "main" ]

	jobs:
	#########################################################################
	build-and-test:
	strategy:
	matrix:
	os: [windows, ubuntu, macos]
	runs-on: ${{matrix.os}}-latest
	steps:
	- name: Check out code
	uses: actions/checkout@v4
	with:
	# GitHelper unit test requires full clone, not the shallow default of GitHub Actions
	fetch-depth: 0

	- name: Setup dotnet
	uses: actions/setup-dotnet@v4
	with:
	dotnet-version: '3.1.x'

	- name: Show dotnet info
	run: dotnet --info

	- name: Build and Test
	# NoFormat because there is a separate format check action below
	run: ./scripts/BuildAndTest.ps1 -NoFormat

	#########################################################################
	build-multitool-for-npm:
	runs-on: windows-latest
	steps:
	- name: Checkout out code
	uses: actions/checkout@v4

	- name: Build Multitool for npm
	run: ./scripts/BuildMultitoolForNpm.ps1

	#########################################################################
	check-format:
	runs-on: windows-latest
	steps:
	- name: Check out code
	uses: actions/checkout@v2

	- name: Install format tool
	run: dotnet tool install -g dotnet-format

	- name: dotnet format
	run: dotnet-format --folder --check --exclude .\src\Sarif\Autogenerated\

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