Bump prometheus-client from 0.20.0 to 0.21.0 #1501

	name: CI

	on:
	pull_request:
	branches:
	- master

	concurrency:
	cancel-in-progress: true
	group: ${{ github.workflow }}-${{ github.ref }}

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip pre-commit
	- name: Restore pre-commit hooks from cache
	uses: actions/cache@v4
	id: restore-pre-commit-hooks
	with:
	path: ~/.cache/pre-commit
	key: pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
	restore-keys: \|
	pre-commit-
	- name: Install pre-commit hooks
	if: steps.restore-pre-commit-hooks.outputs.cache-hit != 'true'
	run: \|
	pre-commit install-hooks
	- name: Lint
	run: \|
	pre-commit run --all-files

	docs:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	python -m pip install ".[docs]"
	- name: Generate and test API docs
	run: \|
	make html
	env:
	SPHINXOPTS: "-n -v -W --keep-going"
	working-directory: ./docs

	test:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade -e ".[testing]"
	- name: Run tests
	run: \|
	python -m pytest -vvv

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