[8.x](backport #4691) apm-ilm: update apm-ilm-how-to expand dsl migration note #361

	name: Delete serverless directory in backports

	on:
	pull_request:
	branches:
	- '7.*'
	- '8.*'

	jobs:
	check-and-delete-serverless:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Check for existence of docs/en/serverless directory
	id: check_serverless
	run: \|
	if [ -d "docs/en/serverless" ]; then
	echo "SERVERLESS_EXISTS=true" >> $GITHUB_ENV
	else
	echo "SERVERLESS_EXISTS=false" >> $GITHUB_ENV
	fi

	- name: Delete docs/en/serverless directory if it exists
	if: env.SERVERLESS_EXISTS == 'true'
	run: \|
	rm -rf docs/en/serverless
	git config pull.rebase true
	git config --global user.name 'github-actions[bot]'
	git config --global user.email 'github-actions[bot]@users.noreply.github.com'
	git add .
	git commit -m "Delete docs/en/serverless directory"
	git pull origin ${{ github.head_ref }}
	git push origin HEAD:${{ github.head_ref }}

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