Remove async API calls and increment version to 0.4.0 #138

	# GitHub Actions definition for CI build.

	name: CI Build
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	WinBuildTest:
	name: Windows build and test
	runs-on: windows-2022 # 2019 is not sufficient, Windows 21H1+ is best for ReFS bug fixes
	steps:
	- uses: actions/checkout@v2
	- name: Setup .NET SDK
	uses: actions/setup-dotnet@v1
	# No "with: dotnet-version" specified -> use global.json
	- run: dotnet restore
	- run: dotnet build --configuration Release --no-restore
	- name: Shrink C drive and create a ReFS E drive, then run tests
	run: \|
	mkdir c:\ReFS
	dir c:\

	echo SELECT VOLUME C: >DiskPartScript.txt
	echo SHRINK DESIRED=10240 >>DiskPartScript.txt
	echo CREATE PARTITION PRIMARY >>DiskPartScript.txt
	echo LIST PARTITION >>DiskPartScript.txt
	echo FORMAT QUICK FS=ReFS LABEL="ReFS Test" >>DiskPartScript.txt
	echo ASSIGN LETTER=E >>DiskPartScript.txt
	echo LIST VOLUME >>DiskPartScript.txt
	echo ASSIGN MOUNT=C:\ReFS >>DiskPartScript.txt

	diskpart /s DiskPartScript.txt
	if not exist E:\ echo ERROR: diskpart failed && exit /b 1
	if not exist C:\ReFS echo ERROR: diskpart failed && exit /b 1

	@rem CODESYNC: WindowsReFSDriveSession.cs
	set CoW_Test_ReFS_Drive=E:\

	dotnet test --no-restore
	shell: cmd

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