Automatic submodule update #901

	name: "Automatic submodule update"

	on:
	schedule:
	- cron: "0 0 * * *"
	workflow_dispatch: {}

	jobs:
	update:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: 'true'

	- name: Update submodules
	run: \|
	git submodule update --remote

	- name: Commit and push changes
	run: \|
	git config user.name github-actions
	git config user.email 41898282+github-actions[bot]@users.noreply.github.com
	git add .
	git diff --quiet && git diff --staged --quiet \|\| git commit -m "auto: update submodules"
	git push

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