Update poetry lockfiles #123

	name: "Update poetry lockfiles"

	on:
	schedule:
	- cron: "20 4 * * 1" # once a week
	workflow_dispatch:

	jobs:
	poetry-update:
	name: Update dependencies
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.11

	- name: Install poetry
	run: \|
	pip install --upgrade pip
	pip install --upgrade poetry

	- name: Setup virtualenv
	run: \|
	poetry install

	- name: Refresh poetry lock files
	id: poetry-update
	run: \|
	echo 'log<<EOF' >> $GITHUB_OUTPUT
	poetry update \| tee -a >(cat >> $GITHUB_OUTPUT)
	echo 'EOF' >> $GITHUB_OUTPUT

	- name: Check diff
	id: diff
	shell: bash
	run: \|
	git status --untracked-files=all
	echo 'diff<<EOF' >> $GITHUB_OUTPUT
	git diff >> $GITHUB_OUTPUT
	echo 'EOF' >> $GITHUB_OUTPUT

	- name: Create PR
	if: ${{ steps.diff.outputs.diff != '' }}
	uses: peter-evans/create-pull-request@v7
	with:
	token: ${{ github.token }}
	commit-message: update dependencies
	title: update dependencies
	labels: \|
	dependencies
	ok-to-test
	body: \|
	Update dependencies using `poetry update`:

	```console
	${{ steps.poetry-update.outputs.log }}
	```

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