Support Plone 5.2. (Implements #77) #9

	name: Changelog check
	on:
	pull_request:
	types: [assigned, opened, synchronize, reopened, labeled, unlabeled]
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	# Fetch all history
	fetch-depth: '0'

	- name: Install towncrier
	run: pip install towncrier

	- name: Check for presence of a Change Log fragment (only pull requests)
	run: \|
	# Fetch the pull request' base branch so towncrier will be able to
	# compare the current branch with the base branch.
	# Source: https://github.com/actions/checkout/#fetch-all-branches.
	git fetch --no-tags origin ${BASE_BRANCH}
	towncrier check
	env:
	BASE_BRANCH: ${{ github.base_ref }}
	if: github.event_name == 'pull_request'

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