Update Mixxx #764

	name: Update Mixxx

	on:
	# Run every day at midnight
	schedule:
	- cron: '0 0 * * *'
	workflow_dispatch:

	jobs:
	automerge:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: '0' # to compute the monotonic version correctly
	submodules: true
	- name: Configure Git user
	run: \|
	git config --global user.name "github-actions[bot]"
	git config --global user.email "github-actions[bot]@users.noreply.github.com"
	- name: Update submodule
	run: git submodule update --remote mixxx
	- name: Commit updated submodule
	run: \|
	git add mixxx
	if ! git diff --quiet HEAD; then
	git commit -m "Update mixxx ($(scripts/mixxx-version))"
	git push
	fi

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