Update pyproject.toml and GitHub actions #2

	name: CI

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	env:
	HATCH_VERSION: "1.7.0"
	PYTHON_VERSION: "3.9"
	PYTHON_PACKAGE_NAME: "jupyterlab_display_name"

	jobs:
	ci:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Install Hatch
	run: pipx install hatch==${{ env.HATCH_VERSION }}

	- name: Set up Python with pip cache
	uses: actions/setup-python@v4
	with:
	python-version: ${{ env.PYTHON_VERSION }}

	- name: Check Formatting (Black)
	run: hatch run black ${{ env.PYTHON_PACKAGE_NAME }} --check

	- name: Lint (Flake8)
	run: hatch run flake8 ${{ env.PYTHON_PACKAGE_NAME }}

	- name: Lint (Pylint)
	run: hatch run pylint ${{ env.PYTHON_PACKAGE_NAME }}

	- name: Type Check (Mypy)
	run: hatch run mypy ${{ env.PYTHON_PACKAGE_NAME }}

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