[Backport 8.9] Use `Stringified<boolean>` for `preserve_original` and `indexing_complete` #2456

	name: Backport
	on:
	pull_request:
	types:
	- closed
	- labeled

	jobs:
	backport:
	runs-on: ubuntu-latest
	name: Backport
	steps:
	- name: Backport
	uses: tibdex/backport@v1
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}

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