Prepare 1.21.50 support #440

	#Due to GitHub awkwardness, it's not easy to reduce the review requirement for collaborators.
	#Our policy is that 2 collaborators should be aware of every change.
	#For outside PRs, this means 2 collaborator reviews.
	#For PRs made by collaborators, this means 1 reviewer + the author.
	#We trust that collaborators don't need as much oversight.
	name: Auto approve collaborator PRs

	on:
	pull_request_target:
	types:
	- opened
	- reopened
	- ready_for_review
	- synchronize

	jobs:
	dispatch:
	name: Request approval
	runs-on: ubuntu-latest
	if: '! github.event.pull_request.draft'

	steps:
	- name: Generate access token
	id: generate-token
	uses: actions/create-github-app-token@v1
	with:
	app-id: ${{ vars.RESTRICTED_ACTIONS_DISPATCH_ID }}
	private-key: ${{ secrets.RESTRICTED_ACTIONS_DISPATCH_KEY }}
	owner: ${{ github.repository_owner }}
	repositories: RestrictedActions

	- name: Dispatch restricted action
	uses: peter-evans/repository-dispatch@v3
	with:
	token: ${{ steps.generate-token.outputs.token }}
	repository: ${{ github.repository_owner }}/RestrictedActions
	event-type: auto_approve_collaborator_pr
	client-payload: '{"repo": "${{ github.repository }}", "pull_request_id": "${{ github.event.pull_request.number }}", "reviewer_id": "0" }'

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