Add comment explaining SyncUndoManager limitations #447

	on:
	pull_request_target:
	types: [opened]
	push:
	name: Pull request automation

	# Disable permissions for all available scopes by default.
	# Any needed permissions should be configured at the job level.
	permissions: {}

	jobs:
	pull-request-automation:
	runs-on: 'ubuntu-24.04'
	permissions:
	contents: read
	issues: write
	pull-requests: write
	if: ${{ github.repository == 'WordPress/gutenberg' }}

	steps:
	# Checkout defaults to using the branch which triggered the event, which
	# isn't necessarily `trunk` (e.g. in the case of a merge).
	- uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
	with:
	ref: trunk
	show-progress: ${{ runner.debug == '1' && 'true' \|\| 'false' }}
	persist-credentials: false

	- name: Setup Node.js and install dependencies
	uses: ./.github/setup-node

	- uses: ./packages/project-management-automation
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}

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