Update .github/workflows/black.yml to be concurrent #666

	name: Pip Install
	on:
	workflow_dispatch:
	schedule:
	- cron: "0 1 * * *" # 3 AM CET
	push:
	pull_request:
	jobs:
	pip:
	name: Pip Install
	runs-on: [self-hosted, Linux, builder, docker]
	container:
	image: python:3.9.5
	options: --user 0:0
	volumes:
	- /home/buildbot/.ssh:/root/.ssh
	steps:
	- name: Install SSH client
	run: apt update && apt -y install openssh-client
	- name: Checkout source code
	uses: actions/checkout@v2
	- name: Install package
	run: pip install .

	# Cancel previous in-progress when pushing: https://stackoverflow.com/a/72408109
	concurrency:
	concurrency:
Check failure on line 27 in .github/workflows/pip.yml View workflow run for this annotation GitHub Actions / .github/workflows/pip.yml Invalid workflow file `You have an error in your yaml syntax on line 27`
	group: ${{ github.workflow }}-${{ github.ref \|\| github.run_id }}
	cancel-in-progress: true

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