Bumped spellcheck action to latest version, since 0.23.0 is EOL #32

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

	name: CI

	# Controls when the action will run.
	on:
	# Triggers the workflow on push or pull request events but only for the main branch
	push:
	branches: [ main ]
	pull_request:
	branches: [ main, 1.2.1_proposed ]

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	jobs:
	validate:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- uses: actions/setup-python@v2
	with:
	python-version: '3.8.x'

	- name: Setup prerequirements
	run: pip install cwltest schema-salad[pycodegen]

	- name: Download schema for conformance_tests.yaml
	run: curl -LO https://raw.githubusercontent.com/common-workflow-language/cwltest/main/cwltest/cwltest-schema.yml

	- name: Validate conformance_tests.yaml
	run: schema-salad-tool cwltest-schema.yml conformance_tests.yaml

	- name: Validate CWL documents
	run: ./run_test.sh --self

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