Ban `Matplotlib` 3.8.0. #1516

	name: Continuous Integration - Documentation

	on: [push, pull_request]

	jobs:
	continuous-integration-documentation:
	name: ${{ matrix.os }} - Python ${{ matrix.python-version }}
	strategy:
	matrix:
	os: [ubuntu-22.04]
	python-version: [3.11]
	fail-fast: false
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v1
	- name: Environment Variables
	run: \|
	echo "CI_PYTHON_VERSION=${{ matrix.python-version }}" >> $GITHUB_ENV
	echo "CI_PACKAGE=colour" >> $GITHUB_ENV
	echo "CI_SHA=${{ github.sha }}" >> $GITHUB_ENV
	echo "MPLBACKEND=AGG" >> $GITHUB_ENV
	echo "COLOUR_SCIENCE__DOCUMENTATION_BUILD=True" >> $GITHUB_ENV
	shell: bash
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install Dependencies
	run: \|
	sudo apt-get update
	sudo apt-get --yes install graphviz graphviz-dev latexmk texlive-full
	- name: Install Poetry
	env:
	POETRY_VERSION: 1.4.0
	run: \|
	curl -sSL https://install.python-poetry.org \| POETRY_HOME=$HOME/.poetry python3 -
	echo "$HOME/.poetry/bin" >> $GITHUB_PATH
	shell: bash
	- name: Install Package Dependencies
	run: \|
	poetry run python -m pip install --upgrade pip
	poetry install
	poetry run python -c "import imageio;imageio.plugins.freeimage.download()"
	shell: bash
	- name: Build Documentation
	run: \|
	poetry run invoke docs
	shell: bash
	- uses: actions/upload-artifact@v2
	with:
	name: ${{ env.CI_PACKAGE }}-plots
	path: \|
	docs/_static/Basics_*.png
	docs/_static/Examples_*.png
	docs/_static/Plotting_*.png
	docs/_static/Tutorial_*.png

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