Update CKEditor 4 submodule #3858

	name: Update CKEditor 4 submodule

	on:
	schedule:
	- cron: "0 0,10,16 * * *"

	jobs:
	update:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	branch: [master, major]

	steps:
	- name: Fetch changes
	# https://github.com/marketplace/actions/checkout
	uses: actions/checkout@v2
	with:
	ref: ${{ matrix.branch }}

	- name: Checkout submodules
	run: \|
	git submodule update --init --recursive

	- name: Bump "ckeditor" submodule
	run: \|
	cd ckeditor
	git fetch --all
	git checkout ${{ matrix.branch }}
	cd ..
	if [[ $(git diff origin/${{ matrix.branch }} \| wc -c) -ne 0 ]]; then
	git config --local user.email "ckeditor-bot@cksource.com"
	git config --local user.name "CKEditor Bot"
	git add ckeditor
	git commit -m "Update CKEditor 4 submodule HEAD."
	fi

	- name: Push changes
	# https://github.com/marketplace/actions/github-push
	uses: ad-m/github-push-action@master
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	branch: ${{ matrix.branch }}

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