Update variable_pattern fixture to support also usage in hook files #109

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

	env:
	python-version: 3.12

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

	- name: Install hatch
	run: pipx install hatch

	- uses: actions/setup-python@v5
	with:
	python-version: ${{ env.python-version }}
	cache: 'pip'

	- name: Install the latest version of uv
	uses: astral-sh/setup-uv@v5
	with:
	python-version: ${{ env.python-version }}

	- name: Check for presence of a Change Log fragment (only pull requests)
	if: github.event_name == 'pull_request'
	env:
	BASE_BRANCH: ${{ github.base_ref }}
	run: \|
	git fetch --no-tags origin ${BASE_BRANCH}
	uvx towncrier check --compare-with origin/${{ env.BASE_BRANCH }} --config pyproject.toml --dir .

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