chore(exhale): remove outdated compatibility #310

	name: Extras

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	# Cancel previous CI runs when new commits are added to a PR.
	concurrency:
	group: ${{ github.head_ref \|\| github.run_id }}-extras
	cancel-in-progress: true

	jobs:
	build_docs_linkcheck:
	name: Docs / Linkcheck
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Use Python 3.9
	uses: actions/setup-python@v4
	with:
	python-version: '3.9'
	- name: Install Tools
	run: \|
	sudo apt-get install -y graphviz
	pip install -U tox
	# NOTE: the RTD PR build is enabled to view docs, this tests with nitpicky
	# flags that will catch non-critical warnings.
	- name: Test Docs
	run: \|
	tox -e docs
	- name: Test Linkcheck
	run: \|
	tox -e linkcheck

	# TODO: this will become `lint` which will have more checks.
	build_flake8:
	name: Flake8
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Use Python 3.9
	uses: actions/setup-python@v4
	with:
	python-version: '3.9'
	- name: Install Tools
	run: \|
	pip install -U tox
	- name: Test Flake8
	run: \|
	tox -e flake8

	build_dist:
	name: Packaging
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	# Use minimum version of python needed for this project in setup.cfg.
	- name: Use Python 3.8
	uses: actions/setup-python@v4
	with:
	python-version: '3.8'
	- name: Install Tools
	run: \|
	pip install -U tox
	- name: Test Packaging
	run: \|
	tox -e dist

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