setup.py: Specify UTF-8 encoding for long_description/README.md. #386

	name: ci

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-22.04
	steps:
	# Checkout Repository
	- name: Checkout
	uses: actions/checkout@v3

	- name: Setup CCache
	uses: hendrikmuhs/ccache-action@v1.2

	- uses: ghdl/setup-ghdl-ci@master
	with:
	backend: llvm

	# Install Tools
	- name: Install Tools
	run: \|
	sudo apt-get install wget build-essential ninja-build
	sudo apt-get install libevent-dev libjson-c-dev flex bison
	sudo apt-get install libfl-dev libfl2 zlib1g-dev

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: "3.9"
	cache: "pip"
	cache-dependency-path: "setup.py"

	- name: Install Python dependencies
	run: \|
	python3 -m pip install setuptools requests pexpect meson

	# Install (n)Migen / LiteX / Cores
	- name: Install LiteX
	run: \|
	wget https://raw.githubusercontent.com/enjoy-digital/litex/master/litex_setup.py
	python3 litex_setup.py --init --install --user

	# Install GCC Toolchains
	- name: Install GCC Toolchains
	run: \|
	sudo python3 litex_setup.py --gcc=riscv

	# Build / Install Verilator
	- name: Build Verilator
	run: \|
	sudo apt-get install help2man
	export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
	git clone https://github.com/verilator/verilator
	cd verilator
	git checkout 7d2d32420a630befa4097170ecbf227e04e32522
	autoconf
	./configure
	make -j$(nproc)
	sudo make install

	# Install Project
	- name: Install Project
	run: python3 setup.py develop --user

	# Test
	- name: Run Tests
	run: \|
	python3 setup.py test

Provide feedback