Remove support for Python 3.8 and make 3.9 minimum required #1113

	# For documentation on GitHub Actions Workflows, see:
	# https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions
	name: MyPy

	on: [ push, pull_request ]

	permissions:
	contents: read

	jobs:
	mypy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4 # https://github.com/actions/checkout
	- uses: actions/setup-python@v5 # https://github.com/actions/setup-python
	with:
	python-version: 3.13
	allow-prereleases: true
	# Only a single commit is fetched by default, for the ref/SHA that triggered the workflow.
	# Set fetch-depth: 0 to fetch all history for all branches and tags.
	fetch-depth: 0 # Needed for setuptools_scm to work correctly
	- run: pip install -U --user pip mypy pyperclip rich rich-argparse wcwidth
	- run: mypy .

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