Bump dash from 1.20.0 to 2.15.0 #103

	# This is a basic workflow to help you get started with Actions

	name: CI

	# Controls when the action will run. Triggers the workflow on push or pull request
	# events but only for the master branch
	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "build"
	test:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v2
	# Runs a single command using the runners shell
	#- name: test
	- run: make test
	env:
	# Run part of the tests, avoiding the multithreading part which runs out of memory on GitHub
	RUN_PART: 1

	#- name: artifacts
	- uses: actions/upload-artifact@v2
	with:
	# declare the artifacts...
	name: artifacts
	path: artifacts # or path/to/artifact

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