[22.11] Backport llvmPackages_16 #802076

	name: Backport
	on:
	pull_request_target:
	types: [closed, labeled]

	# WARNING:
	# When extending this action, be aware that $GITHUB_TOKEN allows write access to
	# the GitHub repository. This means that it should not evaluate user input in a
	# way that allows code injection.

	permissions:
	contents: read

	jobs:
	backport:
	permissions:
	contents: write # for zeebe-io/backport-action to create branch
	pull-requests: write # for zeebe-io/backport-action to create PR to backport
	name: Backport Pull Request
	if: github.repository_owner == 'NixOS' && github.event.pull_request.merged == true && (github.event_name != 'labeled' \|\| startsWith('backport', github.event.label.name))
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	# required to find all branches
	fetch-depth: 0
	ref: ${{ github.event.pull_request.head.sha }}
	- name: Create backport PRs
	uses: zeebe-io/backport-action@v0.0.8
	with:
	# Config README: https://github.com/zeebe-io/backport-action#backport-action
	github_token: ${{ secrets.GITHUB_TOKEN }}
	github_workspace: ${{ github.workspace }}
	pull_description: \|-
	Bot-based backport to `${target_branch}`, triggered by a label in #${pull_number}.

	* [ ] Before merging, ensure that this backport complies with the [Criteria for Backporting](https://github.com/NixOS/nixpkgs/blob/master/CONTRIBUTING.md#criteria-for-backporting-changes).
	* Even as a non-commiter, if you find that it does not comply, leave a comment.

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