feat: Non-existing context entries result in `null` #532

	name: Backport labeled merged pull requests
	on:
	pull_request:
	types: [closed]
	issue_comment:
	types: [created]
	jobs:
	build:
	name: Create backport PRs
	runs-on: ubuntu-latest
	# Only run when pull request is merged
	# or when a comment containing `/backport` is created
	if: >
	(
	github.event_name == 'pull_request' &&
	github.event.pull_request.merged
	) \|\| (
	github.event_name == 'issue_comment' &&
	github.event.issue.pull_request &&
	contains(github.event.comment.body, '/backport')
	)
	steps:
	- uses: actions/checkout@v4
	- name: Create backport PRs
	uses: zeebe-io/[email protected]
	with:
	# Required
	# Token to authenticate requests to GitHub
	github_token: ${{ secrets.GITHUB_TOKEN }}

	# Required
	# Working directory for the backport action
	github_workspace: ${{ github.workspace }}

	# Optional
	# Regex pattern to match github labels
	# Must contain a capture group for target branchname
	# label_pattern: ^backport ([^ ]+)$

	# Optional
	# Template used as description in the pull requests created by this action.
	# Placeholders can be used to define variable values.
	# These are indicated by a dollar sign and curly braces (`${placeholder}`).
	# Please refer to this action's README for all available placeholders.
	pull_description: \|-
	# Description
	Backport of #${pull_number} to `${target_branch}`.

	relates to ${issue_refs}

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