Add a doc to the User Guide for combining GAREs (#1343) #833

	name: update-pr-references
	on:
	push:
	branches:
	- main

	jobs:
	update_pr_numbers_in_change_fragments:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
	- uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
	with:
	python-version: '3.x'
	- name: update any PR numbers in change fragments
	run: \|
	python ./changelog.d/update-pr-refs.py
	if [ "$(git status --porcelain)" = "" ]; then
	echo "no changes"
	else
	git add changelog.d/
	git \
	-c user.name="GitHub Actions" \
	-c user.email="actions@github.com" \
	commit -m '(actions) update PR references'
	git push origin
	fi

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