Add the requirements-autoupdate workflow, add type hints and fix crash when no client secrets file is provided #2

	name: Update Requirements

	on:
	pull_request:
	types: [opened, synchronize]
	workflow_dispatch:

	jobs:
	update-requirements:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.x'

	- name: Install Poetry
	uses: snok/install-poetry@v1
	with:
	plugins: poetry-plugin-export
	virtualenvs-in-project: true
	virtualenvs-path: .venv

	- name: Export requirements.txt
	run: poetry export --without-hashes -f requirements.txt -o requirements.txt

	- name: Check for changes
	run: \|
	git diff --exit-code requirements.txt \|\| echo "Changes detected"

	- name: Create Pull Request
	if: success() && steps.check-for-changes.outputs.changes == 'true'
	uses: peter-evans/create-pull-request@v3
	with:
	title: "Update requirements.txt"
	body: "Automatically updated requirements.txt"
	base: main
	head: update-requirements-branch

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