Follow shellcheck recommendations #503

	name: Update README.md

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- name: Install depends
	run: python -m pip install xmltodict

	- name: Run update script
	run: ./.github/workflows/update_readme.py

	- name: Commit results
	run: \|
	git config --global user.email "action@github.com"
	git config --global user.name "Action Bot"
	git add README.md
	git commit README.md -m 'Re-build README.md' \|\| echo "No changes to commit"
	git push origin \|\| echo "No changes to commit"

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