Adds support for trogon. #3140

	name: reviewdog

	on:
	pull_request:
	branches: [ vara, vara-dev ]
	merge_group:
	branches: [ vara, vara-dev ]

	jobs:
	reviewdog:
	name: reviewdog
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Set up Python 3.9
	uses: actions/setup-python@v2
	with:
	python-version: 3.9

	- name: Install system dependencies for CI
	run: \|
	sudo apt-get install libgraphviz-dev

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install ./varats-core
	pip install ./varats
	pip install -r requirements.txt
	pip install mypy
	pip install pylint
	########################################################################
	# Uninstalling `rich` is a hack to make the code base checkable with
	# mypy. mypy get's confused when discovering rich and by that does no
	# longer any type checking.
	########################################################################
	pip uninstall -y rich
	########################################################################
	pylint --version
	- name: Setup reviewdog
	run: \|
	mkdir -p $HOME/bin && curl -sfL https://raw.githubusercontent.com/reviewdog/reviewdog/master/install.sh\| sh -s -- -b $HOME/bin
	echo "$HOME/bin" >> $GITHUB_PATH
	echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
	- name: Run reviewdog
	env:
	REVIEWDOG_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	reviewdog -runners=mypy -reporter=github-pr-check -conf=.reviewdog.yml
	reviewdog -runners=pylint -reporter=github-pr-check -conf=.reviewdog.yml

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