github: check downgrade to v4 #2884

	name: Windows
	on:
	push:
	branches:
	- master
	- fluent-package-lts-v5
	pull_request:
	jobs:
	build:
	name: Build
	strategy:
	fail-fast: false
	runs-on: windows-2019
	steps:
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: 3.1
	- uses: actions/checkout@master
	- name: Build
	run: \|
	gem install serverspec
	gem install bundler:2.2.9 --no-document
	rake msi:build
	- name: Upload td-agent msi
	uses: actions/upload-artifact@master
	with:
	name: packages-windows-x86_64
	path: fluent-package/msi/repositories
	- name: Check Package Size
	shell: pwsh
	run: \|
	powershell -ExecutionPolicy Bypass -Command ".\fluent-package\msi\pkgsize-test.ps1"
	- name: Installation Test
	shell: pwsh
	run: \|
	mkdir -p .bundle
	docker run `
	--rm `
	--tty `
	--volume ${PWD}:C:\fluentd:ro `
	mcr.microsoft.com/dotnet/framework/runtime:3.5 `
	powershell -ExecutionPolicy Bypass -Command "C:\fluentd\fluent-package\msi\install-test.ps1"
	- name: Migration From v4 Test
	shell: pwsh
	run: \|
	docker run `
	--rm `
	--tty `
	--volume ${PWD}:C:\fluentd:ro `
	mcr.microsoft.com/dotnet/framework/runtime:3.5 `
	powershell -ExecutionPolicy Bypass -Command "C:\fluentd\fluent-package\msi\update-from-v4-test.ps1"
	- name: Serverspec Test
	shell: pwsh
	run: \|
	docker run `
	--rm `
	--tty `
	--volume ${PWD}:C:\fluentd:ro `
	mcr.microsoft.com/dotnet/framework/runtime:3.5 `
	powershell -ExecutionPolicy Bypass -Command "C:\fluentd\fluent-package\msi\serverspec-test.ps1"

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