fix: make meta produced by `DOCXToDocument` JSON serializable #806

	# If you change this name also do it in tests.yml and ci_metrics.yml
	name: Tests

	on:
	pull_request:
	types:
	- opened
	- reopened
	- synchronize
	- ready_for_review
	paths-ignore:
	# we skip the tests unless the code changes. The problem is that GitHub will run the check anyway if any other
	# file outside the code changed (e.g. the release notes). Hence, we need a second filter down below.
	# keep the list in sync with the paths defined in the `tests.yml` workflow
	- "haystack/*/.py"
	- "haystack/core/pipeline/predefined/*"
	- "test/*/.py"

	jobs:
	check_if_changed:
	name: Check if changed
	runs-on: ubuntu-latest
	permissions:
	pull-requests: read
	outputs:
	code_changes: ${{ steps.changes.outputs.code_changes }}
	steps:
	- uses: actions/checkout@v4
	- name: Check for changed code
	id: changes
	uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36
	with:
	# keep the list in sync with the paths defined in the `tests.yml` workflow
	filters: \|
	code_changes:
	- haystack/*/.py
	- "haystack/templates/predefined/*"
	- test/*/.py
	- "pyproject.toml"

	trigger-catch-all:
	name: Tests completed
	# Don't run this check if the PR contains both code and non-code changes (e.g. release notes)
	needs: check_if_changed
	if: needs.check_if_changed.outputs.code_changes == 'false'
	uses: ./.github/workflows/tests_skipper_workflow.yml
	with:
	tests_were_skipped: true

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