Docs

Updated libimagequant to 4.2.1 #190

	name: Docs

	on:
	push:
	paths:
	- ".github/workflows/docs.yml"
	- "docs/**"
	pull_request:
	paths:
	- ".github/workflows/docs.yml"
	- "docs/**"
	workflow_dispatch:

	permissions:
	contents: read

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

	env:
	FORCE_COLOR: 1

	jobs:
	build:

	runs-on: ubuntu-latest
	name: Docs

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.x"
	cache: pip
	cache-dependency-path: ".ci/*.sh"

	- name: Build system information
	run: python3 .github/workflows/system-info.py

	- name: Install Linux dependencies
	run: \|
	.ci/install.sh
	env:
	GHA_PYTHON_VERSION: "3.x"

	- name: Build
	run: \|
	.ci/build.sh

	- name: Docs
	run: \|
	make doccheck

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