[build] Bump C# LangVersion: 11.0->12.0 #184

	name: build

	on:
	pull_request:
	push:

	env:
	DOTNET_VERSION: 8.0.100

	jobs:
	build-nix:
	runs-on: ${{ matrix.operating-system }}
	strategy:
	matrix:
	operating-system: [ubuntu-latest, macOS-latest]
	steps:
	- uses: actions/checkout@v3
	- name: Setup .NET Core
	uses: actions/setup-dotnet@v3
	with:
	dotnet-version: ${{ env.DOTNET_VERSION }}
	- name: Build
	run: ./build.sh --target Build
	- name: Test
	run: ./build.sh --target Tests
	build-windows:
	runs-on: windows-latest
	steps:
	- uses: actions/checkout@v3
	- name: Setup .NET Core
	uses: actions/setup-dotnet@v3
	with:
	dotnet-version: ${{ env.DOTNET_VERSION }}
	- name: Build
	run: .\build.ps1 --target Build
	- name: Test
	run: .\build.ps1 --target Tests

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