Update dependencies, build + test for .net 8 #135

	name: Run Tests

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0 # avoid shallow clone so nbgv can do its work.
	- name: Setup .NET
	uses: actions/setup-dotnet@v1
	with:
	dotnet-version: \|
	3.1.x
	6.0.x
	7.0.x
	8.0.x
	include-prerelease: true
	- name: Nerdbank.GitVersioning
	uses: dotnet/[email protected]
	with:
	setAllVars: true
	- name: Install dependencies
	run: dotnet restore
	- name: Build
	run: dotnet build --configuration Release --no-restore
	- name: Test
	run: dotnet test --no-restore --verbosity normal

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